WO2020188936A1 - 液状染毛剤組成物 - Google Patents
液状染毛剤組成物 Download PDFInfo
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- WO2020188936A1 WO2020188936A1 PCT/JP2019/050546 JP2019050546W WO2020188936A1 WO 2020188936 A1 WO2020188936 A1 WO 2020188936A1 JP 2019050546 W JP2019050546 W JP 2019050546W WO 2020188936 A1 WO2020188936 A1 WO 2020188936A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/22—Peroxides; Oxygen; Ozone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/416—Quaternary ammonium compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
- A61K8/442—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof substituted by amido group(s)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/10—Preparations for permanently dyeing the hair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/30—Characterized by the absence of a particular group of ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/42—Colour properties
- A61K2800/43—Pigments; Dyes
- A61K2800/432—Direct dyes
- A61K2800/4322—Direct dyes in preparations for temporarily coloring the hair further containing an oxidizing agent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/42—Colour properties
- A61K2800/43—Pigments; Dyes
- A61K2800/432—Direct dyes
- A61K2800/4324—Direct dyes in preparations for permanently dyeing the hair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/591—Mixtures of compounds not provided for by any of the codes A61K2800/592 - A61K2800/596
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/88—Two- or multipart kits
- A61K2800/882—Mixing prior to application
Definitions
- the present invention relates to a liquid hair dye composition.
- Hair dyes can be classified according to the presence or absence of a decolorizing action on the dye or melanin used.
- Typical examples of hair dyes are two-part permanent hair dyes consisting of a first agent containing an alkaline agent and an oxidative dye intermediate and a second agent containing an oxidant, an organic acid or an alkaline agent, and an acid dye.
- a one-part semi-permanent hair dye containing at least one of direct dyes such as basic dyes and nitro dyes.
- Permanent hair dyes have the advantage of penetrating deep into the hair, dyeing the hair evenly from the core to the surface, making it difficult for the color to come off and maintaining the hair dyeing effect, but on the other hand, the color tone given by the oxidative dye is There is a problem that it is not so vivid.
- some direct dyes such as nitro dyes, can obtain bright colors, but on the other hand, there is a problem that the fading of dyed hair becomes remarkable with the passage of time. Therefore, in a permanent hair dye, a method has been proposed in which a dye is directly used in combination with an oxidation dye to obtain a more vivid color (for example, Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2010-024158 (Patent Document 2) International Publication No. 2018/087203 Pamphlet
- the present invention provides a liquid hair dye composition containing the components (A), (B) and (C), and the content of the component (A) is 1.5% by mass or more.
- A One or more azo dyes represented by any of the following formulas (A-1), (A-2) and (A-3)
- the present invention provides a method of using the liquid hair dye composition used for hair dyeing after adjusting the hair dye color by mixing with another preparation.
- the azo dye described in Patent Document 2 has low solubility in water or various solvents, and when the azo dye is to be blended in a high concentration in the composition, there is a problem that precipitation occurs during storage. It has been proposed to improve the storage stability by using a large amount of a solvent such as diol for a specific direct dye. However, it has been found that when a large amount of solvent is added, the dye is excessively stably dissolved in the solvent, and as a result, the dye supply into the hair is reduced and the hair dyeability is likely to be lowered.
- the present inventors can permeate the azo dye to a specific part of the hair by applying the azo dye to the hair at a high concentration when the hair is dyed by mixing with a permanent hair dye. , It has been found that the hair can be dyed in two layers of hues, and that the hue and tone of the appearance of the hair changes depending on the viewing angle of the hair, which is an unprecedented effect (for example, special feature).
- Application 2018-175683 see).
- the present invention relates to a liquid hair dye composition which can obtain excellent hair dyeing property without precipitating the azo dye during storage even though the azo dye is contained in a high concentration. Further, according to the present invention, by mixing and dyeing the hair with a permanent hair dye, the effect that the hue and tone of the appearance of the hair changes depending on the viewing angle of the hair can be sufficiently exhibited, and the permanent hair dyeing can be achieved.
- the present invention relates to a liquid hair dye composition that makes it easy to predict the hair color after hair dyeing when toning by mixing with the agent.
- the present inventors have made the azo dye coexist with one or more surfactants selected from anionic surfactants having a specific HLB, nonionic surfactants and amphoteric surfactants. As a result, it was found that the solubility of the azo dye can be remarkably improved, and the present invention has been completed.
- liquid refers to the state of a substance that is determined to be “liquid” by a solid-liquid determination test based on "ASTM D 4359-90: Standard Test Method for Determining Whether a Material is a Liquid or Solid". It can include dosage forms such as cream and gel.
- the liquid hair dye composition of the present invention has one or more kinds represented by any of the following formulas (A-1), (A-2) and (A-3) as the component (A). Contains azo dye.
- the content of the component (A) in the liquid hair dye composition of the present invention obtains a hair dyeing effect that the hue and tone of the appearance of the hair change depending on the viewing angle of the hair from the viewpoint of improving the hair dyeing property.
- it is 1.5% by mass or more, preferably 1.6% by mass or more, more preferably 1.7% by mass or more, and further preferably 1.8% by mass.
- it is preferably 10.0% by mass or less, more preferably 9.0% by mass or less, still more preferably 8.5% by mass or less, still more preferably.
- Component (B) Surfactant with HLB of 7 or more
- the component (B) is one or more of surfactants selected from anionic surfactants, nonionic surfactants and amphoteric surfactants, and has an HLB of 7 or more.
- surfactants from the viewpoint of improving the solubility of the component (A) and improving the storage stability, from the viewpoint of obtaining the effect of changing the hue and color tone of the appearance of the hair depending on the viewing angle of the hair, hair dyeing.
- anionic surfactants and nonionic surfactants with an HLB of 7 or more from the viewpoint of ease of toning that predicts the later hair color. Is preferable.
- HLB of component (B) improves the solubility of component (A) and improves storage stability, from the viewpoint of obtaining the effect of changing the hue and color tone of the appearance of hair depending on the viewing angle of the hair, and hair dyeing. From the viewpoint of ease of toning that predicts the later hair color, it is 7 or more, preferably 7 or more and 50 or less, and more preferably 7 or more and 40 or less.
- anionic surfactants include sulfates, sulfonates, carboxylates and phosphate-type anionic surfactants. More specifically, from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property, alkyl or alkenyl sulfate, alkyl or alkenyl ether sulfate, alkyl or alkenyl ether carboxylic acid.
- One or more selected from salts and N-acylamino acid salts are preferably mentioned, and one or more selected from alkyl or alkenyl ether sulfates and N-acylamino acid salts are more preferable, and N-acylamino acids are more preferable.
- One or more selected from salts are more preferred.
- the linear or branched chain has 8 to 20 carbon atoms from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property.
- the alkyl group or alkenyl group of the above is preferable, the alkyl group or alkenyl group having 10 to 18 carbon atoms in the linear or branched chain is more preferable, and the alkyl group having 12 to 14 carbon atoms in the straight chain is further preferable. These may be used alone or in combination of two or more.
- lauryl sulfate myristyl sulfate, cetyl sulfate, stearyl sulfate and oleyl sulfate, and from lauryl sulfate and myristyl sulfate. It is more preferable to contain one or more selected types, and it is further preferable to contain lauryl sulfate.
- the alkyl group of the alkyl or alkenyl ether sulfate the alkyl having 8 to 20 carbon atoms in the straight chain or the branched chain is used from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property.
- a group or alkenyl group is preferable, an alkyl group or alkenyl group having 10 to 18 carbon atoms in a linear or branched chain is more preferable, and an alkyl group having 12 to 14 carbon atoms in a straight chain is further preferable.
- alkyl or alkenyl ether sulfate polyoxyethylene alkyl or alkenyl ether sulfate is preferable, and the average number of moles of the polyoxyethylene added is preferably 0.5 to 10, more preferably 0.5 to 5, from the above viewpoint. 0.5 to 4 is more preferable, and 0.5 to 2 is further preferable. These may be used alone or in combination of two or more.
- polyoxyethylene (1) lauryl ether sulfate, polyoxyethylene (1) myristyl ether sulfate, polyoxyethylene (2) lauryl ether sulfate, polyoxyethylene (2) myristyl ether sulfate One or more selected from salts, polyoxyethylene (3) lauryl ether sulfate and polyoxyethylene (3) myristyl ether sulfate are preferable, and polyoxyethylene (1) myristyl ether sulfate, polyoxyethylene ( It is more preferable to contain one or more selected from 2) lauryl ether sulfate and polyoxyethylene (3) lauryl ether sulfate, and further preferably to contain polyoxyethylene (2) lauryl ether sulfate.
- the alkyl group or alkenyl group of the alkyl or alkenyl ether carboxylate has 12 to 12 carbon atoms in the linear or branched chain from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property.
- An alkyl group of 16 or an alkenyl group is preferable, an alkyl group having 12 to 14 carbon atoms in a straight chain or a branched chain is more preferable, and an alkyl group having 12 to 14 carbon atoms in a straight chain is further preferable.
- alkyl or alkenyl ether carboxylate polyoxyethylene alkyl or alkenyl ether carboxylate is preferable, and from the same viewpoint as above, the average number of moles of the polyoxyethylene added is 1 to 10. It is preferably 2 to 5, and more preferably 2 to 5. These may be used alone or in combination of two or more. Among them, from the above viewpoint, it is preferable to contain one or more selected from polyoxyethylene lauryl ether carboxylate, polyoxyethylene myristyl ether carboxylate, and polyoxyethylene palmityl ether carboxylate. , Polyoxyethylene lauryl ether carboxylate and one or two selected from polyoxyethylene myristyl ether carboxylate are preferably contained, and more preferably polyoxyethylene lauryl ether carboxylate is contained.
- the acyl group of the N-acyl amino acid salt is a saturated or unsaturated linear or branched chain having 10 to 18 carbon atoms from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property.
- Those derived from fatty acids having chains are preferable, those derived from fatty acids having saturated or unsaturated linear or branched chains having 12 to 16 carbon atoms are more preferable, and those derived from saturated or unsaturated fatty acids having 12 to 14 carbon atoms are preferable.
- Those derived from fatty acids having a straight chain or a branched chain are more preferable.
- the acyl group of the N-acyl amino acid may be one derived from the above-mentioned mixed fatty acid of fatty acid, for example, one obtained from coconut oil, palm kernel oil or the like as a raw material. Among them, those obtained from coconut oil fatty acid and palm kernel fatty acid as raw materials are preferable, and those obtained from coconut oil fatty acid as raw materials are more preferable.
- the amino acid portion of the N-acylamino acid salt is derived from the neutral amino acids selected from glycine and alanine, glutamic acid and aspartic acid from the viewpoint of improving the solubility and storage stability of the component (A) and obtaining good hair dyeing property.
- the selected acidic amino acid is preferable, the acidic amino acid is more preferable, and glutamic acid is further preferable.
- these amino acid portions may be any of D-form, L-form, and a mixture of D-form and L-form, and are preferably L-form.
- the above N-acylamino acid salt may be used alone or in combination of two or more.
- it is preferable to contain one or more selected from N-lauroyl glutamate, N-myristoyl glutamate, N-cocoyl glutamate and N-lauroyl aspartate, and N-lauroyl glutamate It is more preferable to contain one or more selected from N-myristoyl glutamate and N-cocoyl glutamate, and further preferably to contain N-cocoyl glutamate.
- salts constituting these suitable anionic surfactants include alkali metals such as sodium and potassium; alkaline earth metals such as calcium and magnesium; ammonium; organic ammonium derived from monoethanolamine, diethanolamine, triethanolamine and the like. Examples include salts composed of. Of these, alkali metal salts and ammonium salts are preferable from the viewpoint of market availability.
- Nonionic surfactants include alkyl or alkenyl polyglucosides having 8-18 carbon atoms or alkenyl groups and 1-5 glucoside units; polyethylene glycol sorbitan stearate, palmitic acid, myristic acid and lauric acid.
- examples include sorbitan esters such as esters; fatty acid polyglycol esters; polycondensates of ethylene oxide and propylene oxide commercially available under the trade name "Pluronic®"; polyoxyethylene alkyls or alkenyl ethers.
- polyoxyethylene alkyl or alkenyl ether is preferable from the viewpoint of improving stability under alkaline conditions and solubility of component (A).
- the alkyl group or alkenyl group of the polyoxyethylene alkyl or alkenyl ether is preferably an alkyl group or alkenyl group having 10 to 22 carbon atoms in the linear or branched chain, and an alkyl group or alkenyl group having 12 to 20 carbon atoms in the linear or branched chain.
- An alkenyl group is more preferable, and an alkyl group having 12 to 20 carbon atoms in the branched chain and an alkenyl group having 12 to 20 carbon atoms in the straight chain are further preferable.
- the average number of moles of polyoxyethylene added to the polyoxyethylene alkyl or alkenyl ether is preferably 15 to 200, more preferably 18 to 150, and even more preferably 20 to 60. More specifically, one or more selected from Laures-23, Setes-25, Isosetes-20, Setes-40, Octildodeces-25, Ores-50, Behenes-30 and Setes-150 are preferable. One or more selected from -23, Setes-25, Isosetes-20, Setes-40, Octildodeces-25 and Ores-50 is more preferred, selected from Isosetes-20, Octildodeces-25 and Ores-501 Seeds or two or more are even better.
- Amphoteric surfactants include various known betaines such as alkyl betaine, fatty acid amide alkyl betaine, sulfobetaine such as lauryl hydroxysulfobetaine, cocoamino acetate, cocoaminopropionate, Na cocoamphopropionate, cocoamphoacetic acid. Long-chain alkyl amino acids such as Na are preferred.
- the fatty acid amide alkyl betaine is preferable from the viewpoint of improving the stability under alkaline conditions, the solubility of the component (A), and the hair dyeability.
- the fatty acid group of the fatty acid amide alkyl betaine preferably has 8 to 22 carbon atoms, more preferably 8 to 18 carbon atoms, and even more preferably 10 to 14 carbon atoms.
- the alkyl group of the fatty acid amide alkyl betaine preferably has 2 to 6 carbon atoms, and more preferably 2 to 4 carbon atoms. Specifically, lauramidopropyl betaine is preferable.
- the content of the component (B) in the liquid hair dye composition of the present invention is from the viewpoint of stably dissolving the component (A), improving the storage stability and improving the hair dyeing property, and making the preparation liquid. From the viewpoint of maintaining the temperature, it is preferably 3% by mass or more, more preferably 4% by mass or more, further preferably 5% by mass or more, still more preferably 7% by mass or more, and preferably 20% by mass or less, more preferably. Is 18% by mass or less, more preferably 15% by mass or less, still more preferably 13% by mass or less.
- the mass ratio [(A) / (B)] of the component (A) to the component (B) in the liquid hair dye composition of the present invention stably dissolves the component (A) and improves the storage stability.
- the ratio is preferably 0.1 or more, more preferably 0.5 or more, still more preferably 1 or more, still more preferably 2 or more. Also, it is preferably 20 or less, more preferably 15 or less, still more preferably 10 or less, still more preferably 8 or less.
- the liquid hair dye composition of the present invention contains water as a medium as the component (C).
- the content of the component (C) in the liquid hair dye composition of the present invention changes the hue and color tone of the appearance of the hair depending on the viewing angle of the hair from the viewpoint of improving the solubility and storage stability of the component (A). From the viewpoint of obtaining the effect of hair dyeing and the ease of toning that predicts the hair color after hair dyeing, it is preferably more than 2% by mass, more preferably 10% by mass or more, and further preferably 39% by mass or more. Further, it is preferably 95.5% by mass or less, more preferably 95% by mass or less, and further preferably 90% by mass or less.
- the mass ratio [(B) / (C)] of the component (B) to the component (C) in the liquid hair dye composition of the present invention stably dissolves the component (A) and improves the storage stability. From the viewpoint and from the viewpoint of keeping the preparation in a liquid state, it is preferably 0.02 or more, more preferably 0.05 or more, further preferably 0.08 or more, and preferably 1.0 or less, more preferably 0.5 or less, still more preferably 0.2 or less. is there.
- the liquid hair dye composition of the present invention preferably further contains an alkaline agent as the component (D) in order to achieve both good storage stability and high hair dyeing property.
- Alkali agents include ammonia and salts thereof; monoethanolamine, isopropanolamine, 2-amino-2-methylpropanol, 2-aminobutanol, diethanolamine, triethanolamine, monoethanolmethylamine, monoethanoldimethylamine, diethanolmethylamine.
- Sodium hydroxide, potassium hydroxide and the like Alkali metal hydroxides; alcandiamines such as 1,3-propanediamine and salts thereof; carbonates such as sodium carbonate, potassium carbonate and guanidine carbonate; hydrogen carbonates such as sodium hydrogen carbonate and potassium hydrogen carbonate and the like can be mentioned.
- alkanolamines and salts thereof are preferable from the viewpoint of improving storage stability and high hair dyeability, and ammonia, monoethanolamine, isopropanolamine, and 2-amino2-methylpropanol are more preferable, and among them, 2 -Amino 2-methylpropanol is preferred.
- These components (D) can be used alone or in combination of two or more.
- the content of the component (D) in the liquid hair dye composition of the present invention is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0.25% by mass, from the viewpoint of obtaining good storage stability. % Or more, more preferably 0.5% by mass or more, and from the viewpoint of suppressing skin irritation, preferably 15% by mass or less, more preferably 12.5% by mass or less, still more preferably 10% by mass or less, still more preferably 9.0% by mass. % Or less.
- the liquid hair dye composition of the present invention may contain a monoalcohol or a diol as the component (E) from the viewpoint of further improving the storage stability.
- the monoalcohol include lower alkanols, aromatic alcohols and alkoxy alcohols
- examples of the diol include alkylene glycols, dialkylene glycols and polyethylene glycols. More specifically, the monoalcohols include ethanol, 1-propanol and 2-propanol, which are lower monoalcohols having 2 or 3 carbon atoms; monocyclic aromatic monoalcohols such as benzyl alcohol and 2-benzyloxyethanol; ethoxy.
- the component (E) is a lower monoalcohol having 2 or 3 carbon atoms, a monocyclic aromatic monoalcohol, and a diol having 2 to 6 carbon atoms from the viewpoint of improving the storage stability and leveling property of the component (A). It is preferable to contain one or more selected from, and more preferably one or two or more selected from a lower monoalcohol having 2 or 3 carbon atoms and a diol having 2 to 6 carbon atoms.
- the content of the component (E) in the liquid hair dye composition of the present invention is a tone that predicts the hair color after dyeing from the viewpoint of obtaining the effect of changing the hue and color tone of the appearance of the hair depending on the viewing angle of the hair. From the viewpoint of ease of color, it is preferably 70% by mass or less, more preferably 40% by mass or less, further preferably 20% by mass or less, further preferably 10% by mass or less, still more preferably 5% by mass or less. Further, it is preferably 0.1% by mass or more.
- a direct dye other than the component (A) can also be used in combination with the liquid hair dye composition of the present invention in order to adjust the hair dye color.
- the content of the component (A) is preferably 1% by mass or more and 100% by mass or less in the total direct dye, and 5% by mass or more and 100% by mass. The following is more preferable, 10% by mass or more and 100% by mass or less is further preferable, 20% by mass or more and 100% by mass or less is further preferable, 50% by mass or more and 100% by mass or less is further preferable, and 80% by mass or more and 100% by mass or less is more preferable. More preferred.
- Examples of direct dyes other than component (A) include anionic dyes, cationic dyes, and neutral dyes.
- anionic dyes include acidic black 1, acidic blue 1, acidic blue 3, edible blue No. 2, edible blue No. 5, acidic blue 7, acidic blue 9, acidic blue 74, acidic orange 3, acidic orange 6, and acidic orange. 7, Acid Orange 10, Acid Red 1, Acid Red 14, Acid Red 18, Acid Red 27, Acid Red 50, Acid Red 52, Acid Red 73, Acid Red 87, Acid Red 88, Acid Red 92, Acid Red 155, Acid Red 180, Acid Purple 9, Acid Purple 43, Acid Purple 49, Acid Yellow 1, Acid Yellow 23, Acid Yellow 3, Edible Yellow No.
- cationic dyes include basic blue 6, basic blue 7, basic blue 9, basic blue 26, basic blue 41, basic blue 99, basic tea 4, basic tea 16, and basic tea 17.
- Neutral dyes containing nitro dyes include HC blue 2, HC blue 4, HC blue 5, HC blue 6, HC blue 7, HC blue 8, HC blue 9, HC blue 10, HC blue 11, HC blue 12, HC Blue 13, HC Brown 1, HC Brown 2, HC Green 1, HC Orange 1, HC Orange 2, HC Orange 3, HC Orange 5, HC Red BN, HC Red 1, HC Red 3, HC Red 7, HC Red 8, HC red 9, HC red 10, HC red 11, HC red 13, HC red 54, HC red 14, HC purple BS, HC purple 1, HC purple 2, HC yellow 2, HC yellow 4, HC yellow 5, HC Yellow 6, HC Yellow 7, HC Yellow 8, HC Yellow 9, HC Yellow 10, HC Yellow 11, HC Yellow 12, HC Yellow 13, HC Yellow 14,
- the liquid hair dye composition of the present invention may further contain a solvent other than the components (C) and (E) for the purpose of adjusting the viscosity and feel of the preparation.
- Solvents other than the components (C) and (E) include trivalent or higher polyols such as glycerin; N-alkylpyrrolidone such as N-methylpyrrolidone and N-ethylpyrrolidone; alkylene carbonate such as propylene carbonate, and ⁇ -valerolactone. , Lactones such as ⁇ -caprolactone and the like.
- the liquid hair dye composition it is preferably 0 to 30% by mass, more preferably 0 to 20% by mass, further preferably 0 to 10% by mass, and the balance of the component (C). It is preferably water.
- the liquid hair dye composition of the present invention preferably contains substantially no cationic surfactant, and is contained in the liquid hair dye composition.
- the content of the cationic surfactant in the above is preferably 3% by mass or less, more preferably 1% by mass or less, still more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably 0.001% by mass or less. is there.
- the liquid hair dye composition of the present invention can contain a conditioning component suitable for application to hair, and examples of the conditioning component include cationic polymers, silicones, higher alcohols, and organic conditioning oils.
- the pH of the liquid hair dye composition of the present invention is preferably 7.5 or more, more preferably 8.0 or more, further preferably 8.5 or more, still more preferably 9.0 or more, and skin irritation, from the viewpoint of improving hair dyeability. From the viewpoint of suppression, it is preferably 12.0 or less, more preferably 11.5 or less, still more preferably 11.0 or less.
- the pH of the liquid hair dye composition refers to the value at 25 ° C. when diluted 10% by mass with water using a pH meter (F-51, manufactured by HORIBA, Ltd.).
- Examples of the pH adjuster for adjusting the composition to the above pH include inorganic acids such as hydrochloric acid and phosphoric acid, organic acids such as citric acid, glycolic acid and lactic acid, hydrochlorides such as ammonium chloride and monoethanolamine hydrochloride, and phosphorus. Examples thereof include phosphates such as monopotassium dihydrogen acid and disodium monohydrogen phosphate.
- composition of the present invention can be further added to the liquid hair dye composition of the present invention as long as its stable liquid form and its function as a hair dye are not impaired.
- an optional component include a penetration promoter, a pearlizing agent, a preservative, a metal sequestering agent, a stabilizer, an antioxidant, an ultraviolet absorber, a moisturizing agent, a fragrance agent, and the like.
- Optional components include protein hydrolysates, protein derivatives, amino acids, plant extracts, vitamins, fragrances and the like.
- the liquid hair dye composition of the present invention can be used alone as a hair dye composition.
- the component (A), which is a direct dye is contained in a high concentration, it is easy to predict the hair color after dyeing even when mixed toning, and after mixing with other preparations before use, the hair Can be applied to hair dyeing.
- the "other preparation” include water, a diluting liquid such as an aqueous solution containing an alkaline agent, a shampoo, a conditioner, and a hair dye composition.
- the dosage form of other preparations is preferably liquid.
- the hair dye composition is a two-agent type consisting of a one-agent hair dye composition containing a direct dye, a first agent containing an alkaline agent and an oxidation dye precursor, and a second agent containing an oxidizing agent. Examples thereof include hair dye compositions.
- the liquid hair dye composition of the present invention when the liquid hair dye composition of the present invention is mixed with the first agent and the second agent of the two-agent hair dye composition, the mixed solution is applied to the hair.
- the hair As a result of dyeing the central part of the hair cross section with an oxidation dye and dyeing the peripheral part of the hair cross section with the component (A), the hair can be dyed into two layers of hues. With hair dyed in such two layers of hue, an unprecedented hair dyeing effect can be obtained in which the hue and color tone of the appearance of the hair change depending on the viewing angle of the hair.
- the method of mixing the liquid hair dye composition of the present invention with the first agent and the second agent of the two-agent hair dye composition to perform hair dyeing includes the following steps (I) and (II). Hair dyeing method can be mentioned.
- Step (I) is a step of mixing a first agent containing an alkaline agent and an oxidative dye precursor, a second agent containing an oxidant, and a third agent, the liquid hair dye composition of the present invention. ..
- the alkaline agent and oxidative dye precursor used for the first agent and the oxidant used for the second agent are not particularly limited, and those usually used for a two-agent type oxidative hair dye can be adopted.
- the content of the alkaline agent in the mixed solution prepared in the step (I) is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and further, from the viewpoint of sufficiently swelling the hair to obtain a hair dyeing effect. It is preferably 0.2% by mass or more, more preferably 0.4% by mass or more, and preferably 7% by mass or less, more preferably 6% by mass or less, still more preferably 4% by mass or less.
- the oxidative dye precursor used in the two-agent hair dye composition can be used without limitation as long as it is usually used as a hair dye.
- Dye precursors include 1,2,4-trihydroxybenzene, 1,3-bis (2,4-diaminophenoxy) -propane, 1,5-naphthalenediol, 1-naphthol, 1-hydroxyethyl-4, 5-Diaminopyrazole, 1-hexyl-1H-pyrazole-4,5-diaminopyrazole, 2,2'-[(4-aminophenyl) imino] bisethanol, 2,2'-methylenebis-4-aminophenol, 2 , 3-Indolindione, 2,4,5,6-tetraaminopyrimidine, 2,4-diaminophenol, 2,4-diaminophenoxyethanol, 2,5,6-triamino-4-pyrimidinol, 2,6-diaminopyridine , 2,6-dihydroxy-3,4-dimethylpyridine, 2,6-dihydroxyethylaminotoluene, 2,6-dimethoxy-3,5-pyridined
- the content of the oxidation dye precursor in the mixed solution is preferably 0.001% by mass or more, more preferably 0.002% by mass or more, still more preferably 0.004% by mass or more, still more preferably 0.01, from the viewpoint of obtaining sufficient hair dyeability. It is preferably 8% by mass or less, more preferably 6% by mass or less, still more preferably 4% by mass or less, still more preferably 2% by mass or less.
- the content of the oxidizing agent in the mixed solution is preferably 0.06% by mass or more, more preferably 0.1% by mass or more, still more preferably 0.2% by mass or more, still more preferably 0.5, from the viewpoint of decolorizing property and hair dyeing property for hair. It is 1% by mass or more, more preferably 1% by mass or more, and preferably 17% by mass or less, more preferably 12.5% by mass or less, still more preferably 11% by mass or less, still more preferably 9% by mass or less.
- the content of the dye (A) in the mixed solution is from the viewpoint of obtaining a hair dyeing effect in which the hair is dyed into two layers of hues and the hue and color tone of the appearance of the hair changes depending on the viewing angle of the hair. From the viewpoint of ease of toning that predicts the hair color after hair, it is preferably 0.02% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.08% by mass or more, still more preferably 0.10% by mass or more. Further, from the viewpoint of dissolving in the mixed solution to obtain a uniform dyeing, it is preferably 5% by mass or less, more preferably 2% by mass or less, still more preferably 1.0% by mass or less, still more preferably 0.5% by mass or less. ..
- a cationic surfactant is substantially contained from the viewpoint of maintaining good solubility of the component (A). It is preferably not contained, and the content of the cationic surfactant in the liquid hair dye composition is preferably 3% by mass or less, more preferably 1% by mass or less, still more preferably 0.5% by mass or less, still more preferably. It is 0.1% by mass or less, more preferably 0.001% by mass or less.
- the hair is dyed in two layers, and the hue and color tone of the appearance of the hair are changed depending on the viewing angle of the hair, and it is easy to predict the hair color after dyeing.
- the mass ratio of the dye (A) to the oxidation dye precursor (dye (A) / oxidation dye precursor) in the mixed solution is preferably 0.005 or more, more preferably 0.015 or more, still more preferably 0.03 or more. More preferably 0.1 or more, still more preferably 0.2 or more, still more preferably 0.3 or more, and further preferably 5000 or less, more preferably 500 or less, still more preferably 100 or less, still more preferably 50 or less, still more preferably 10 or less. , More preferably 8 or less.
- the mixed mass ratio of the first agent and the second agent is preferably 0.2 or more, more preferably 0.3 or more, and further preferably 0.5 or more from the viewpoint of obtaining sufficient hair dyeability. Further, it is preferably 5 or less, more preferably 3 or less, still more preferably 2 or less.
- the mass ratio of the third agent to the total mass of the first agent and the second agent is to dye the hair into two layers of hues and to dye the hair.
- the hue and color tone of the appearance of the hair change depending on the viewing angle, and from the viewpoint of ease of toning that predicts the hair color after dyeing, it is preferably 0.01 or more, more preferably. It is 0.02 or more, more preferably 0.03 or more, preferably 0.4 or less, more preferably 0.3 or less, still more preferably 0.2 or less.
- the step (II) is a step of applying the mixed solution prepared in the step (I) to the hair.
- the bath ratio that is, the ratio of the mass of the applied mixed solution to the mass of the hair (mass of the applied mixed solution) / (mass of the hair)
- the mixed solution is applied to the hair.
- the leaving time and leaving temperature from the time of hair washing to washing the hair have a great influence on the finish.
- the bath ratio (mass of the mixed solution to be applied) / (mass of the hair) is preferably 0.1 or more, more preferably 0.2 or more, still more preferably 0.4 or more, from the viewpoint of improving hair dyeability and preventing color unevenness. Further, from the viewpoint of economy and reduction of the risk of sagging, it is preferably 2 or less, more preferably 1.75 or less, and further preferably 1.5 or less.
- the leaving time from applying the mixed solution to the hair to washing the hair is preferably 1 minute or more, more preferably 5 minutes or more, still more preferably 10 minutes or more, and the skin. From the viewpoint of suppressing irritation, it is preferably 60 minutes or less, more preferably 45 minutes or less, still more preferably 40 minutes or less.
- the temperature while the mixed solution is applied to the hair and left to stand is preferably 5 ° C. or higher, more preferably 10 ° C. or higher, still more preferably 20 ° C. or higher, and the skin, from the viewpoint of improving hair dyeability. From the viewpoint of suppressing irritation, it is preferably 60 ° C. or lower, more preferably 50 ° C. or lower, still more preferably 40 ° C. or lower.
- the hair may be rinsed or washed.
- Any aqueous medium known in the art preferably water, more preferably tap water, can be used for rinsing, and any cleaning composition known in the art, preferably shampoo, for cleaning.
- the composition can be used.
- the root, tip and intervening parts of the hair can be rinsed and washed simultaneously or separately.
- Step (V) After the steps (II), (III) or (IV), the hair can be dried. Drying tools such as towels or electric drying tools such as hair dryers can be used to dry the hair, and the drying can be done partially or completely.
- Drying tools such as towels or electric drying tools such as hair dryers can be used to dry the hair, and the drying can be done partially or completely.
- A One or more azo dyes represented by any of the following formulas (A-1), (A-2) and (A-3)
- (B) One or more surfactants selected from the group consisting of anionic surfactants, nonionic surfactants and amphoteric surfactants having an HLB of 7 or more and 50 or less.
- (C) Water ⁇ 3> A liquid hair dye composition containing the following components (A), (B) and (C), and the content of the component (A) is 1.5% by mass or more and 5.5% by mass or less.
- (A) One or more azo dyes represented by any of the following formulas (A-1), (A-2) and (A-3)
- (B) One or more surfactants selected from the group consisting of anionic surfactants, nonionic surfactants and amphoteric surfactants having an HLB of 7 or more and 40 or less.
- (C) Water
- ⁇ 4> The liquid dyeing according to any one of ⁇ 1> to ⁇ 3>, wherein the component (B) is one or more selected from an anionic surfactant and a nonionic surfactant. Hair composition.
- the component (B) is one or more selected from alkyl or alkenyl sulfate, alkyl or alkenyl ether sulfate, alkyl or alkenyl ether carboxylic acid or a salt thereof, and N-acylamino acid salt.
- the liquid hair dye composition according to any one of ⁇ 4>.
- ⁇ 6> The liquid hair dyeing according to any one of ⁇ 1> to ⁇ 4>, wherein the component (B) is one or more selected from an alkyl or alkenyl ether sulfate and an N-acylamino acid salt.
- Agent composition is one or more selected from an alkyl or alkenyl ether sulfate and an N-acylamino acid salt.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 4>, wherein the component (B) is one or more selected from N-acylamino acid salts.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 4>, wherein the component (B) contains a polyoxyethylene alkyl or an alkenyl ether.
- ⁇ 9> Any one of ⁇ 1> to ⁇ 4>, wherein the component (B) is a fatty acid amide alkyl betaine having a fatty acid group having 10 to 14 carbon atoms and an alkyl group having 2 to 4 carbon atoms.
- the liquid hair dye composition according to.
- the component (B) is selected from alkyl or alkenyl ether sulfates having a linear alkyl group or alkenyl group having 12 to 14 carbon atoms and having an average addition molar number of polyoxyethylene of 0.5 to 4.
- the liquid hair dye composition according to any one of ⁇ 1> to ⁇ 4>, which is one type or two or more types.
- Ingredient (B) is polyoxyethylene (1) lauryl ether sulfate, polyoxyethylene (1) myristyl ether sulfate, polyoxyethylene (2) lauryl ether sulfate, polyoxyethylene (2) myristyl ether.
- Liquid hair dye composition is one or more selected from sulfate, polyoxyethylene (3) lauryl ether sulfate, and polyoxyethylene (3) myristyl ether sulfate.
- the component (B) is derived from a fatty acid having a saturated or unsaturated linear or branched chain having an acyl group of 10 to 18 carbon atoms, and the amino acid portion is one selected from glutamic acid and aspartic acid.
- the component (B) is one or more selected from N-lauroyl glutamate, N-myristoylation glutamate and N-cocoyl glutamate.
- the component (B) is a polyoxyalkyl or alkenyl ether having an alkyl group or alkenyl group having 12 to 20 carbon atoms and having an average addition molar number of polyoxyethylene of 20 to 60.
- the liquid hair dye composition according to any one of ⁇ 4>.
- Ingredient (B) is one or more selected from Laures-23, Setes-25, Isocetes-20, Setes-40, Octildodeces-25 and Ores-50 ⁇ 1> to ⁇ 4>
- the liquid hair dye composition according to any one of the above.
- Ingredient (B) is one or more selected from lauramidopropyl betaine, polyoxyethylene (2) lauryl ether sulfate, sodium cocoyl glutamate, isosetes-20, octyldodeces-25, and oleth-50.
- the liquid hair dye composition according to any one of ⁇ 1> to ⁇ 4>.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 16>, wherein the content of the component (B) in the liquid hair dye composition is 3% by mass or more and 20% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 16>, wherein the content of the component (B) in the liquid hair dye composition is 4% by mass or more and 18% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 16>, wherein the content of the component (B) in the liquid hair dye composition is 5% by mass or more and 15% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 16>, wherein the content of the component (B) in the liquid hair dye composition is 7% by mass or more and 13% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 24>, wherein the content of the component (C) in the liquid hair dye composition is more than 2% by mass and 95.5% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 24>, wherein the content of the component (C) in the liquid hair dye composition is 10% by mass or more and 95% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 24>, wherein the content of the component (C) in the liquid hair dye composition is 39% by mass or more and 90% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 30>, which further contains the component (D) alkaline agent.
- liquid hair dye composition according to ⁇ 31>, wherein the component (D) contains one or more selected from ammonia, monoethanolamine, isopropanolamine and 2-amino2-methylpropanol. ..
- liquid hair dye composition according to ⁇ 31>, wherein the component (D) contains one or more selected from ammonia and 2-amino2-methylpropanol.
- ⁇ 34> The liquid hair dye composition according to any one of ⁇ 31> to ⁇ 33>, wherein the content of the component (D) in the liquid hair dye composition is 0.1% by mass or more and 15% by mass or less. object.
- ⁇ 35> The liquid hair dye composition according to any one of ⁇ 31> to ⁇ 33>, wherein the content of the component (D) in the liquid hair dye composition is 0.2% by mass or more and 12.5% by mass or less. object.
- ⁇ 36> The liquid hair dye composition according to any one of ⁇ 31> to ⁇ 33>, wherein the content of the component (D) in the liquid hair dye composition is 0.25% by mass or more and 10% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 31> to ⁇ 33>, wherein the content of the component (D) in the liquid hair dye composition is 0.5% by mass or more and 9.0% by mass or less. object.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 37>, further containing 70% by mass or less of the following component (E).
- E One or more selected from the group consisting of monoalcohols and diols
- liquid hair dye composition according to ⁇ 38> wherein the content of the component (E) in the liquid hair dye composition is 0.1% by mass or more and 40% by mass or less.
- liquid hair dye composition according to ⁇ 38> wherein the content of the component (E) in the liquid hair dye composition is 0.1% by mass or more and 20% by mass or less.
- liquid hair dye composition according to any one of ⁇ 1> to ⁇ 42>, which is used by adjusting the hair dye color by mixing with another preparation.
- liquid hair dye composition according to ⁇ 43> wherein the other preparation is one selected from shampoo, conditioner and hair dye composition, and is preferably a hair dye composition.
- liquid hair dye composition according to ⁇ 45> which is mixed at a ratio of 0.01 or more and 0.4 or less with respect to a mixed solution of the first agent and the second agent of the two-agent hair dye composition.
- Examples 1 to 12 and Comparative Examples 1 to 8 When the components shown in Tables 1 and 2 are mixed to prepare a liquid hair dye composition, and the hair is dyed by mixing with the dye solubility, storage stability and the two-agent hair dye composition according to the following method. The hair dyeing effect was evaluated.
- the first agent and the second agent of the oxidative hair dye having the composition shown in Table 3 are prepared, and the following hair dyeing is performed using these oxidative hair dye and each liquid hair dye composition shown in Tables 1 and 2.
- the hair was dyed according to the method, and the color difference from the case where the hair was dyed using only the oxidative hair dye and the effect of changing the hue and tone of the appearance of the hair depending on the viewing angle of the hair were evaluated.
- ⁇ Hair dyeing method> Using white hair (Natural White, manufactured by IHIP), a hair bundle having a length of 15 cm and a weight of about 1 g was prepared and used as evaluation hair. 4 g of the first agent, 6 g of the second agent, and 1.25 g of the liquid hair dye composition were weighed in a plastic beaker and mixed 10 times with a spoon. About 1 g of this mixed solution was applied to the evaluation hair with a brush and left at 30 ° C. for 30 minutes for dyeing. The hair was rinsed with warm water at 40 ° C for at least 30 seconds, shampooed, treated with a conditioner and then dried.
- white hair Natural White, manufactured by IHIP
- ⁇ Color difference ⁇ The color difference ( ⁇ E) from the case of hair dyeing in the same manner as described above was measured by a color difference meter ( ⁇ E) except that only the oxidative hair dye (4 g of the first agent, 6 g of the second agent, and 1.25 g of the third agent ammonia 1.12 mass% aqueous solution) was used. It was measured using CR-400 (manufactured by Konica Minolta).
- Prescription examples 1 to 16 Prepare the first agent shown in Tables 4 to 6, the second agent shown in Tables 12 to 14, and the third agent shown in Table 15. In the combinations shown in Tables 16 to 19, the first agent, the second agent and the third agent are mixed and used at a mixing ratio of 1: 1: 0.2, respectively.
- the oxidation dyes used in the above-mentioned first agent formulation are the following oxidation dye formulation examples od-A to od-E.
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Abstract
Description
(特許文献2)国際公開第2018/087203号パンフレット
(A) 下記式(A-1)、(A-2)及び(A-3)のいずれかで表される1種又は2種以上のアゾ染料
(C) 水
本発明において液状とは、「ASTM D 4359-90:Standard Test Method for Determining Whether a Material is a Liquid or Solid」に基づく固体-液体判定試験により、「液体」と判定される物質の状態をいい、クリーム状、ジェル状などの剤形を含み得るものである。
本発明の液状染毛剤組成物は、成分(A)として、下記式(A-1)、(A-2)及び(A-3)のいずれかで表される1種又は2種以上のアゾ染料を含有する。
成分(B)は、アニオン性界面活性剤、非イオン性界面活性剤及び両性界面活性剤から選択される界面活性剤の1種又は2種以上であって、HLBが7以上である。
HLB=7+Σ(親水基の基数)+Σ(親油基の基数)
本発明の液状染毛剤組成物は、成分(C)として、媒体である水を含有する。本発明の液状染毛剤組成物中における成分(C)の含有量は、成分(A)の溶解性、保存安定性を向上させる観点、毛髪を見る角度によって毛髪の外観の色相や色調が変化する効果を得る観点、染毛後の髪色を予測した調色のし易さの観点から、好ましくは2質量%超、より好ましくは10質量%以上、更に好ましくは39質量%以上であり、また、好ましくは95.5質量%以下、より好ましくは95質量%以下、更に好ましくは90質量%以下である。
本発明の液状染毛剤組成物は、良好な保存安定性と高染毛性を両立させるため、更に成分(D)としてアルカリ剤を含有することが好ましい。アルカリ剤としては、アンモニア及びその塩;モノエタノールアミン、イソプロパノールアミン、2-アミノ-2-メチルプロパノール、2-アミノブタノール、ジエタノールアミン、トリエタノールアミン、モノエタノールメチルアミン、モノエタノールジメチルアミン、ジエタノールメチルアミン、モノエタノールエチルアミン、モノエタノールジエチルアミン、ジエタノールエチルアミン、モノエタノールプロピルアミン、モノエタノールジプロピルアミン、ジエタノールプロピルアミン、モノエタノールブチルアミン、ジエタノールブチルアミン等のアルカノールアミン及びその塩;水酸化ナトリウム、水酸化カリウム等のアルカリ金属水酸化物;1,3-プロパンジアミン等のアルカンジアミン及びその塩;炭酸ナトリウム、炭酸カリウム、炭酸グアニジン等の炭酸塩;炭酸水素ナトリウム、炭酸水素カリウム等の炭酸水素塩などが挙げられる。これらのうち、保存安定性と高染毛性を良好にする観点から、アルカノールアミン及びその塩が好ましく、アンモニア、モノエタノールアミン、イソプロパノールアミン、2-アミノ2-メチルプロパノールがより好ましく、なかでも2-アミノ2-メチルプロパノールが好ましい。これら成分(D)は、単独で又は2種以上を組み合わせて使用することができる。
本発明の液状染毛剤組成物は、保存安定性をより向上させる観点から、成分(E)としてモノアルコール又はジオールを含有してもよい。モノアルコールとしては、低級アルカノール、芳香族アルコール、アルコキシアルコールが挙げられ、ジオールとしては、アルキレングリコール、ジアルキレングリコール、ポリエチレングリコールが挙げられる。より具体的には、モノアルコールとしては、炭素数2又は3の低級モノアルコールであるエタノール、1-プロパノール及び2-プロパノール;ベンジルアルコール、2-ベンジルオキシエタノール等の単環芳香族モノアルコール;エトキシエタノール、エトキシジグリコール、メトキシエタノール等のアルコキシアルコールが好ましく、ジオールとしては、プロピレングリコール、1,3-ブタンジオール、ジエチレングリコール等の炭素数2~6のジオールが好ましい。成分(E)は、成分(A)の保存安定性、均染性を良好にさせる観点から、炭素数2又は3の低級モノアルコール、単環芳香族モノアルコール、及び炭素数2~6のジオールから選択される1種又は2種以上を含むことが好ましく、炭素数2又は3の低級モノアルコール及び炭素数2~6のジオールから選択される1種又は2種以上を含むことがより好ましく、エタノール、1-プロパノール、2-プロパノール、プロピレングリコール、1,3-ブタンジオール及びジエチレングリコールから選択される1種又は2種以上を含むことが更に好ましく、2-プロパノール及びプロピレングリコールから選択される1種又は2種を含むことが更に好ましい。
本発明の液状染毛剤組成物には、染毛色を調整するために、成分(A)以外の直接染料を併用することもできる。ただし、成分(A)による染毛性に影響を与えない観点より、成分(A)の含有量が、全直接染料中の1質量%以上100質量%以下が好ましく、5質量%以上100質量%以下がより好ましく、10質量%以上100質量%以下が更に好ましく、20質量%以上100質量%以下が更に好ましく、50質量%以上100質量%以下が更に好ましく、80質量%以上100質量%以下が更に好ましい。
本発明の液状染毛剤組成物は、製剤の粘度調整、感触調整を目的として、更に成分(C)、(E)以外の溶剤を含有することができる。成分(C)、(E)以外の溶剤としては、グリセリン等の3価以上のポリオール;N-メチルピロリドン、N-エチルピロリドン等のN-アルキルピロリドン;炭酸プロピレン等の炭酸アルキレン、γ-バレロラクトン、γ-カプロラクトン等のラクトンなどが挙げられる。また、成分(C)、(E)以外の溶剤を含有する場合は、均染性を維持し、成分(A)を効果的に毛髪内に供給し、染毛性を良好にする観点から、液状染毛剤組成物中に0~30質量%であることが好ましく、0~20質量%であることがより好ましく、0~10質量%であることが更に好ましく、残部を成分(C)の水とすることが好ましい。
本発明の液状染毛剤組成物は、毛髪への適用に好適なコンディショニング成分を含むことができ、コンディショニング成分としては、カチオン性ポリマー、シリコーン、高級アルコール、有機コンディショニングオイル等が挙げられる。
本発明の液状染毛剤組成物のpHは、染毛性向上の観点から、好ましくは7.5以上、より好ましくは8.0以上、更に好ましくは8.5以上、更に好ましくは9.0以上であり、また、皮膚刺激抑制の観点から、好ましくは12.0以下、より好ましくは11.5以下、更に好ましくは11.0以下である。なお、本発明において、液状染毛剤組成物のpHは、pHメーター(F-51、堀場製作所社製)を用いて、水で10質量倍希釈したときの25℃における値をいう。
本発明の液状染毛剤組成物には、その安定な液状形態、及び染毛剤としての機能を損ねない限りにおいて、通常化粧品原料として用いられる他の成分を更に加えることができる。このような任意成分としては、浸透促進剤、パール化剤、防腐剤、金属封鎖剤、安定化剤、酸化防止剤、紫外線吸収剤、保湿剤、賦香剤等を挙げることができ、具体的な任意成分としては、タンパク質加水分解物、タンパク質誘導体、アミノ酸、植物抽出物、ビタミン、香料等が挙げられる。
本発明の液状染毛剤組成物は、単独でそのまま染毛剤組成物として用いることもできる。また、直接染料である成分(A)を高濃度に含有するため、混合調色した場合であっても染毛後の髪色を予測しやすく、使用前に他の製剤と混合した後、毛髪に適用して染毛に使用することができる。ここで、「他の製剤」としては、水、アルカリ剤を含有する水溶液等の希釈用液剤のほか、シャンプー、コンディショナー、染毛剤組成物が挙げられる。本発明の液状染毛剤組成物との混合性を良好にする観点から、他の製剤の剤形は液状であることが好ましい。この染毛剤組成物としては、直接染料を含有する一剤式染毛剤組成物、アルカリ剤及び酸化染料前駆体を含有する第1剤並びに酸化剤を含有する第2剤からなる二剤式染毛剤組成物等が挙げられる。
工程(I):アルカリ剤及び酸化染料前駆体を含有する第1剤、酸化剤を含有する第2剤、並びに第3剤としての本発明の液状染毛剤組成物を混合する工程
工程(II):工程(I)にて調製された混合液を毛髪へ塗布する工程
工程(I)は、アルカリ剤及び酸化染料前駆体を含有する第1剤、酸化剤を含有する第2剤、並びに第3剤である本発明の液状染毛剤組成物を混合する工程である。第1剤に使用するアルカリ剤及び酸化染料前駆体、第2剤に使用する酸化剤は、特に限定されず、二剤式の酸化染毛剤に通常使用されるものを採用することができる。
第1剤と第2剤の混合質量比(第2剤/第1剤)は、十分な染毛性を得る観点から、好ましくは0.2以上、より好ましくは0.3以上、更に好ましくは0.5以上であり、また、好ましくは5以下、より好ましくは3以下、更に好ましくは2以下である。また、第1剤と第2剤の合計質量に対する第3剤の質量比(第3剤/(第1剤+第2剤))は、毛髪を2層の色相に染毛して、毛髪を見る角度によって毛髪の外観の色相や色調が変化するという染毛効果の高さの観点、染毛後の髪色を予測した調色のし易さの観点から、好ましくは0.01以上、より好ましくは0.02以上、更に好ましくは0.03以上であり、また、好ましくは0.4以下、より好ましくは0.3以下、更に好ましくは0.2以下である。
工程(II)は、工程(I)にて調製された混合液を毛髪へ塗布する工程である。混合液を毛髪に塗布する際には、浴比、すなわち毛髪の質量に対する塗布される混合液の質量の比(塗布される混合液の質量)/(毛髪の質量)、混合液を毛髪に塗布してから洗髪するまでの放置時間及び放置温度が、仕上がりに大きく影響する。
工程(II)の後、毛髪は、すすいでもよく、また、洗浄してもよい。すすぎには、当該技術分野で既知の任意の水性媒体、好ましくは水、より好ましくは水道水を用いることができ、洗浄には、当該技術分野で既知の任意の洗浄剤組成物、好ましくはシャンプー組成物を用いることができる。毛髪の根元部分、先端部分及びその間の部分は、同時に又は別々に、すすぐことができ、また洗浄することができる。
工程(III)の後に、又は工程(III)の前に、又は工程(III)に代えて、毛髪に当該技術分野で既知の任意のコンディショニング組成物を適用してもよい。
工程(II)、(III)又は(IV)の後、毛髪を乾燥することができる。毛髪の乾燥には、乾燥用具、例えばタオル又はヘアドライヤーなどの電気乾燥用具を使用することができ、乾燥は、部分的又は完全に行うことができる。
(A) 下記式(A-1)、(A-2)及び(A-3)のいずれかで表される1種又は2種以上のアゾ染料
(C) 水
(A) 下記式(A-1)、(A-2)及び(A-3)のいずれかで表される1種又は2種以上のアゾ染料
(C) 水
<3> 下記成分(A)、(B)及び(C)を含有し、成分(A)の含有量が1.5質量%以上5.5質量%以下である液状染毛剤組成物。
(A) 下記式(A-1)、(A-2)及び(A-3)のいずれかで表される1種又は2種以上のアゾ染料
(C) 水
(E) モノアルコール及びジオールからなる群より選ばれる1種又は2種以上
表1及び2に示す成分を混合して液状染毛剤組成物を調製し、下記方法に従って染料の溶解性、保存安定性及び二剤式染毛剤組成物と混合して染毛した場合の染毛効果について評価した。
表1及び2に示す成分の染料以外の成分を均一溶解して界面活性剤溶液を調製した後、染料を加え20分以上攪拌して液状染毛剤組成物を調製した。液状染毛剤組成物を目視にて観察し、下記基準で溶解性を評価した。なお、この評価が「X」であったものについては、他の評価は行っていない。
A:均一に混合され、不溶物を認めない
X:均一に混合されず、不要物を認める
前記染料の溶解性の評価方法において、調製直後の溶解性の評価が「A」であった液状染毛剤組成物について、-5℃、5℃、20℃、40℃でそれぞれ1週間保存した後の溶解性を目視にて観察し、下記基準で評価した。
A:不溶物を認めない
X:不要物を認める
白色毛(Natural White、IHIP社製)を用いて、長さ15cm、重さ約1gの毛束を作製し評価用毛髪とした。
第1剤4g、第2剤6g、及び液状染毛剤組成物1.25gをプラスチックビーカーに量り取り、薬さじで10回混合した。この混合液約1gを評価用毛髪に刷毛で塗付し、30℃で30分放置して染毛した。毛髪を40℃の温水で30秒以上すすぎ、シャンプー洗浄しコンディショナーで処理した後乾燥した。
染毛後の乾いた毛髪を、セリック社製の人工太陽照明灯(形式 XC-100AP、100W)下、約30cmの距離にある毛束を観察した。評価者が評価用毛束の一端を固定し、他端を動かすことで毛髪の見る角度を変えた場合の毛髪の色の変化を観察した。
評価は5名の評価者により、色変化の度合いを直接判定法の非制限的選択回答方式で評価した。すなわち、10cmの長さの直線を水平に引き、直線の左端が「角度を変えても全く色変化を感じない」と評価する場合、右端が「角度により全く別の色が見える」と評価する場合と設定し、実施例及び比較例の毛髪を評価した場合に、これらの間でどの位置に評価できるかを線を引いて回答してもらった。そして、この直線上で左端から何cmの位置に線を引いたかをチェックすることで毛髪の外観の色相や色調変化の程度を表した。評価者5名の平均をスコアとして表1及び2に示した。スコアが高い方が、毛髪を見る角度による毛髪の外観の色相や色調変化が大きいことを表す。
酸化染毛剤のみ(第1剤4g、第2剤6g、第3剤アンモニア1.12質量%水溶液1.25g)を用いた以外は前記同様に染毛した場合との色差(ΔE)を、色差計(CR-400、コニカミノルタ社製)を用いて測定した。
*2:エマールE-227(花王社製)
*3:アミソフトCS-22B(味の素社製)
*4:エマルゲン123P(花王社製)
*5:エマルゲン2025G(花王社製)
*6:BC-2(日光ケミカルズ社製)
*7:コータミン86W(花王社製)
表4~6に示す第1剤、表12~14に示す第2剤及び表15に示す第3剤を調製する。表16~19に示す組み合わせにて、第1剤、第2剤及び第3剤を、それぞれ1:1:0.2の混合比で混合して使用される。
*9:GE-IS(U)(花王社製)
*10:エマルゲン2020G(花王社製)
*11:Ayacol AMINEAMIDE 50E(成和化成社製)
*4:エマルゲン123P(花王社製)
*14:マーコート550(日本ルーブリゾール社製)
Claims (9)
- さらに、下記成分(E)を70質量%以下含有する請求項1に記載の液状染毛剤組成物。
(E) モノアルコール及びジオールからなる群より選ばれる1種又は2種以上 - 成分(A)の含有量が1.5質量%以上10質量%以下である請求項1又は2に記載の液状染毛剤組成物。
- 成分(B)に対する成分(A)の質量比(A)/(B)が0.1以上20以下である請求項1~3のいずれか1項に記載の液状染毛剤組成物。
- 他の製剤と混合することにより染毛色を調整して用いられる請求項1~4のいずれか1項に記載の液状染毛剤組成物。
- 他の製剤が、シャンプー、コンディショナー及び染毛剤組成物から選択される1種である請求項5に記載の液状染毛剤組成物。
- 他の製剤が、アルカリ剤及び酸化染料前駆体を含有する第1剤並びに酸化剤を含有する第2剤からなる二剤式染毛剤組成物である請求項6に記載の液状染毛剤組成物。
- 二剤式染毛剤組成物の第1剤と第2剤の混合液に対して0.01以上0.4以下の比率で混合される請求項7に記載の液状染毛剤組成物。
- 他の製剤と混合することにより染毛色を調整した後、染毛に用いる請求項1~8のいずれか1項に記載の液状染毛剤組成物の使用方法。
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| US20250017837A1 (en) * | 2022-03-21 | 2025-01-16 | Henkel Ag & Co. Kgaa | Agent for oxidatively dyeing keratin fibers |
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| TWI899331B (zh) * | 2020-09-30 | 2025-10-01 | 日商花王股份有限公司 | 具有改良耐久性之染毛組合物 |
| DE102022202755A1 (de) * | 2022-03-21 | 2023-09-21 | Henkel Ag & Co. Kgaa | Mittel zur oxidativen Färbung von Keratinfasern, enthaltend mindestens ein Oxidationsfarbstoff-vorprodukt vom Entwicklertyp, Isatin und mindestens einen bestimmten Komplexbildner |
| DE102022202753B3 (de) * | 2022-03-21 | 2023-08-31 | Henkel Ag & Co. Kgaa | Mittel zur oxidativen Färbung von Keratinfasern, enthaltend mindestens ein Oxidationsfarbstoff-vorprodukt vom Entwicklertyp, mindestens ein Oxidationsfarbstoffvorprodukt vom Kupplertyp und Isatin |
| DE102022202760A1 (de) * | 2022-03-21 | 2023-09-21 | Henkel Ag & Co. Kgaa | Mittel zur oxidativen Färbung von Keratinfasern, enthaltend mindestens ein Oxidationsfarbstoffvorprodukt vom Entwicklertyp, Isatin und mindestens ein bestimmtes Alkalisierungsmittel |
| DE102022202756A1 (de) * | 2022-03-21 | 2023-09-21 | Henkel Ag & Co. Kgaa | Mittel zur oxidativen Färbung von Keratinfasern, enthaltend Isatin und mindestens ein bestimmtes Polymer |
| JP7719523B2 (ja) * | 2023-04-27 | 2025-08-06 | 株式会社Nil | 染毛用組成物及び染毛方法 |
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- 2019-12-24 JP JP2019232563A patent/JP2020158483A/ja active Pending
- 2019-12-24 BR BR112021018523A patent/BR112021018523A2/pt not_active Application Discontinuation
- 2019-12-24 CN CN201980094385.3A patent/CN113613732A/zh active Pending
- 2019-12-24 TW TW108147457A patent/TWI829837B/zh active
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| US20250017837A1 (en) * | 2022-03-21 | 2025-01-16 | Henkel Ag & Co. Kgaa | Agent for oxidatively dyeing keratin fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202045129A (zh) | 2020-12-16 |
| CN113613732A (zh) | 2021-11-05 |
| JP2020158483A (ja) | 2020-10-01 |
| BR112021018523A2 (pt) | 2021-11-23 |
| EP3943161A4 (en) | 2023-08-23 |
| EP3943161A1 (en) | 2022-01-26 |
| TWI829837B (zh) | 2024-01-21 |
| US20220151897A1 (en) | 2022-05-19 |
| US12485076B2 (en) | 2025-12-02 |
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