WO2025049258A2 - Composition multimodale de soins capillaires comprenant des mélanges cationiques de guar et son procédé de préparation - Google Patents

Composition multimodale de soins capillaires comprenant des mélanges cationiques de guar et son procédé de préparation Download PDF

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Publication number
WO2025049258A2
WO2025049258A2 PCT/US2024/043483 US2024043483W WO2025049258A2 WO 2025049258 A2 WO2025049258 A2 WO 2025049258A2 US 2024043483 W US2024043483 W US 2024043483W WO 2025049258 A2 WO2025049258 A2 WO 2025049258A2
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agents
hair
guar
cationic guar
care composition
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WO2025049258A3 (fr
Inventor
Priyanka VICHARE
T’prene CLEMONS
David C. Streuli
Lidia Kulcsar
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ISP Investments LLC
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ISP Investments LLC
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Publication of WO2025049258A3 publication Critical patent/WO2025049258A3/fr
Priority to MX2026002302A priority Critical patent/MX2026002302A/es
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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
    • A61Q5/12—Preparations containing hair conditioners
    • 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
    • A61K8/73—Polysaccharides
    • A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
    • 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
    • A61Q5/002—Preparations for repairing the hair, e.g. hair cure
    • 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
    • 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
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic
    • 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
    • A61K2800/594—Mixtures of polymers

Definitions

  • the present application provides a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt.
  • % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present application provides a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt.
  • % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present application provides a hair care composition of multi-modal guar blends for mending split ends, the composition comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present application provides an aqueous hair styling composition comprising: (I) 0.1 to 99.0 wt.
  • % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b); (ii) 1.0 to 60 wt. % of at least one solvent; (iii) 0.1 to 10 wt. % of at least one cosmetic functional additive; and (iv) 0.1 to 95 wt.
  • the present application provides a method for repairing split ends of hair comprising contacting hair with split ends with a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b), followed by rinsing the hair with water.
  • the present application provides a method for thermal and mechanical protection from brush and blow drying, comprising contacting the hair with a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present application provides a method of protecting hair from the heat of hot flat ironing up to 450 0 F comprising contacting the hair with a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • FIG.1 illustrates hair characteristics being improved over the control samples.
  • FIG.2 illustrates high humidity curl retention data.
  • FIG.3 illustrates curl compression data.
  • FIG.4 illustrates 3-Point Bending data.
  • the term "cationic polymers” refers to polymers displaying at least one primary amine, secondary amine or tertiary amine or quaternary ammonium group in their principal chain or branched chain or in the substituted form.
  • charge density refers to the ratio of the number of charges on a polymer unit to the weight average molecular weight of said polymer unit. Charge Density is further defined as the number of milliequivalents of charge per gram (meq/g) of polymer.
  • the terms “comprising” (and any form of comprising, such as “comprise” and “comprises”), “having” (and any form of having, such as “have” and “has”), "including” (and any form of including, such as ''includes” and “include”) or “containing” (and any form of containing, such as “contains” and “contain”) are inclusive or open-ended and do not exclude additional, unrecited elements or method steps.
  • the term “cosmetically acceptable” refers to molecular entities regarded as safe, approved by regulatory body, listed in pharmacopoeia for use in topical contact with tissues (e.g., the skin) without undue toxicity, incompatibility, instability, irritation, allergic response, or the like. This term is not intended to limit the composition it describes as for use solely as a cosmetic (e.g., the composition may be used as a pharmaceutical).
  • degree of substitution (DS)” or “substituted degree” or “substitution degree” generally refers to number of cationic groups per anhydro sugar unit (cationic groups per galactomannan unit).
  • Galactomannans are linear polysaccharides-(1,4)-linked D- mannose units substituted with D-galactose monomeric branches. Docket No.: 4368PCT [0030]
  • multi-modal refers to multi-model refers to blends of cationic polysaccharides with different weight average molecular weights and degree of substitution values. These blends encompass polysaccharides with multiple Weight average molecular weight and Degree of Substitution ranges.
  • polymer refers to a compound comprising repeating structural units (monomers) connected by covalent chemical bonds. Polymers may be further derivatized, crosslinked, grafted or end capped.
  • Non-limiting examples of polymers include copolymers, terpolymers, tetra polymers, quaternary polymers, and homologues.
  • copolymer refers to a polymer consisting essentially of two or more different types of monomers polymerized to obtain said copolymer.
  • personal care composition and “cosmetics” refer to compositions intended for use on or in human body such as skin, hair, oral including those to alter the color and appearance of skin and hair.
  • the present disclosure is directed to a hair care composition of multi-modal guar blends, the composition comprising: (I) 0.1 to 99.0 wt.
  • % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present application employs cationic guar polymers in blends provided with high weight average molecular weights and varying values of degree of substitution.
  • the present application provides a multi-modal hair care composition, wherein the multi-modal implies cationic guars having high weight average weight average molecular weights and degree of substitution.
  • the Docket No.: 4368PCT multi-modal hair care composition is bi-modal, tri-modal, quadra-modal or penta-modal blend of cationic guar polymers.
  • Guar gum is a natural compound extracted from the seeds of guar bean (Cyamopsis tetragonoloba taub).
  • Guar gum chemically comprises beta 1,4-glycosidic mannose units that statistically alternate between one alpha 1,6-bound galactose unit forming a side branch.
  • Guar polysaccharides can be substituted with derivatives encompassing cationic moieties which may be linked to the reactive functional group by a bivalent linking group, such as an alkylene or oxyalkylene group. Suitable cationic moieties include primary, secondary, or tertiary amino groups or quaternary ammonium, sulfonium, or phosphonium groups.
  • Suitable quaternary ammonium groups are selected from trialkyl ammonium moieties, such as trimethylammonium moieties, triethylammonium moieties, or tributyl ammonium moieties, aryldialkyl ammonium moieties, such as benzyl dimethyl ammonium moieties.
  • Cationic guars are polysaccharide derivatives, produced from the quaternization of guar gum. They have unique conditioning properties and are therefore widely used in shampoos, detergents, hair conditioners etc.
  • the weight average weight average molecular weight of cationic guar blend (I) (a) and (I) (b) are present in weight ratio of 92:8, 90:10, 80:20, 75:25, 60:40, and 50:50.
  • the modified cationic guar blend is selected from the group consisting of cationic Hydroxy propyl (HP) guar, Guar hydroxypropyltrimonium chloride, and cassia hydroxypropyltrimonium chloride and the unmodified cationic guar blend is selected from the group consisting of guar hydroxypropyl trimonium chloride.
  • the cationicity of the polysaccharide derivative can also be expressed in terms of “degree of substitution” (DS).
  • degree of substitution of cationically modified guar blend can have low degree of substitution in the range of from about 0.01 to 0.10 or in medium degree of substitution in the range of about 0.10 to 0.20.
  • the cationic guar blends have low degree of substitution in the range of 0.01 to 0.13 and medium degree of substitution in the range of 0.13 to 0.16.
  • Present application employs blends of cationic or cationically modified guars in preparing hair care compositions, wherein the cationically modified guar is selected from cationic hydroxyethyl guars, cationic hydroxypropyl guars, cassia hydroxypropyltrimonium chloride, and guar hydroxypropyltrimonium chloride.
  • the cationic guar blend is selected from the group comprising: (i) blend of (a) guar hydroxypropyltrimonium chloride, and (b) guar hydroxypropyltrimonium chloride, and (ii) blend of (a) guar hydroxypropyltrimonium chloride, and (b) cationic hydroxypropyl guar.
  • the present hair care composition further comprises non-ionic guar.
  • Non-ionic guars are selected from the group consisting of hydroxymethyl guar, hydroxyethyl guar, hydroxypropyl guar and hydroxybutyl guar.
  • the present hair care composition can be used in a hair care formulation in the range of from about 0.01 wt.% to about 10.0 wt.%, and from about 0.01 to about 5.0 wt.% based on the total weight of the formulation.
  • the present hair care composition can be used in a hair care formulation in the range may include from about 0.01 wt.% to about 1.0 wt.%; from about 1.0 wt.% to about 2.0 wt.%; from about 2.0 wt.% to about 3.0 wt.%; from about 3.0 wt.% to about 4.0 wt.%; and from about 4.0 wt.% to about 5.0 wt.%.
  • the current hair care composition is used for hair styling, hair straightening, hair split end mending, hair cuticular smoothing, hair conditioning, protecting hair from thermal and mechanical damage, and protecting hair from thermal damage from heat styling tools up to 450°F.
  • the present hair care composition comprising cationically modified guar blends shows a pH in the range of from about 3 to about 13.
  • Other non-limiting range of pH for the present include from about 3 to about 6; from about 6 to about 9; and from about 9 to about 13.
  • the hair care composition may contain at least one personal care additive including but not limited to acids, amino acids, antidandruff agents, anti-statics, antioxidants, anti-inflammatory Docket No.: 4368PCT agents, anti-microbial agents, acidifying agents, basifying agents, bodying agents, buffers, bleaches, cationic surfactants, cleansing agents, chelating agents, collagen, conditioning ingredients, compressed gases, dyes, de-ionized water, defoamers, emollients, emulsifiers, flexibility enhancers, fatty substances, fragrances, fillers, foam stabilizers, functional polymers, gel formers, humectants, ⁇ -hydroxycarboxylic acids, hydrophilic active agent, hair conditioning ingredients, hydrotropes, keratin hydrolyzates, light protection agents, lipophilic active agent, lipids, moisturizers, neutralizing agents, oxidizing agents, organosilicones, protein hydrolyzates, hydrotropes, perfumes, pigments, pre
  • Non-limiting examples of polysaccharides include cassia, chitosan, chitin, dextrin, dextran, rosin, inulin, starch and starch derivatives, cellulose and cellulose derivatives, alginates, carrageenan, gellan, agar, pectin, arabinoxylan, pullulan and maltodextrin.
  • Non-limiting examples of antioxidants may be added to facilitate the enhanced shelf-life of the hair care composition of the present application. Exemplary antioxidants that can be used include vitamins such as vitamin E, vitamin E acetate, vitamin C, vitamin A, and vitamin D and derivatives thereof.
  • Additional exemplary antioxidants include but are not limited to propyl, octyl and dodecyl esters of gallic acid, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), and nordihydroguaiaretic acid.
  • BHA butylated hydroxyanisole
  • BHT butylated hydroxytoluene
  • nordihydroguaiaretic acid e.g., adioguaiaretic acid.
  • the required amount of antioxidant for the present composition is in the range of about 0.2 wt.% to about 2 wt.% and can be provided in an amount of about 0.5 wt.% to about 1.5 wt.%, based on the total weight of the composition.
  • Neutralizers or pH modifiers are employed to achieve the desired pH for the hair care composition.
  • Non-limiting examples of neutralizing agents or pH modifiers include cosmetically acceptable acids selected from mineral acids, carboxylic acids, and polymeric acids.
  • mineral acids are hydrochloric acid, nitric acid, phosphoric acid, and sulfuric acid.
  • carboxylic acids are citric acid, glycolic acid, lactic acid, maleic acid, malic acid, succinic acid, glutaric acid, benzoic acid, malonic acid, salicylic acid, gluconic acid, Docket No.: 4368PCT and mixtures thereof.
  • suitable polymeric acids include straight-chain poly(acrylic) acid and its copolymers (e.g., maleic-acrylic, sulfonic-acrylic, and styrene-acrylic copolymers), cross-linked polyacrylic acids having a weight average molecular weight of less than about 2,50,000, poly(methacrylic) acid, and naturally occurring polymeric acids such as carageenic acid, carboxymethyl cellulose, and alginic acid.
  • the neutralizing agent or pH modifier can be present in an amount of about 0.01 wt.% to about 8 wt.% of the total hair care composition.
  • neutralizing agents or pH modifiers include cosmetically acceptable bases selected from sodium and potassium hydroxide; organic bases such as methyl ethylamine (MEA), ammonia, amino- alcohols, lithium hydroxide, diethanolamine (DEA); triethanolamine (TEA), aminomethyl propanol, and mixtures thereof.
  • organic bases such as methyl ethylamine (MEA), ammonia, amino- alcohols, lithium hydroxide, diethanolamine (DEA); triethanolamine (TEA), aminomethyl propanol, and mixtures thereof.
  • Non-limiting examples of cationic surfactants include quaternary ammonium salts, such as di(C10-C24)-alkyl dimethylammonium chloride or bromide, preferably di(C12-C18)- alkyldimethyl ammonium chloride or bromide; (C10-C24)-alkyldimethylethyl ammonium chloride or bromide; (C10-C24)-alkyltrimethyl ammonium chloride or bromide, preferably cetyltrimethylammonium chloride or bromide and (C20-C22)-alkyltrimethyl ammonium chloride or bromide; (C10-C24)-alkyldimethylbenzyl ammonium chloride or bromide, preferably (C12- C18)-alkyldimethylbenzyl ammonium chloride; N-(C10-C18)-alkylpyridinium chloride or bromide, preferably N-(C12-C
  • the cationic surfactants are selected from the group consisting of cetrimonium chloride, cetrimonium bromide, dicetyldimonium chloride and palmitamidopropyl trimonium chloride.
  • preservatives include phenoxyethanol, formaldehyde solution, parabens, penta-diol, sorbic acid, caprylyl glycol, raspberry ketone, benzoic acid, dehydroacetic Docket No.: 4368PCT acid, benzyl alcohol, propanediol, propylene carbonate, sodium benzoate, potassium sorbate, diazolidinyl urea, imidazolidinyl urea, iodopropynyl butylcarbamate, methylisothiazolinone, methylchloro isothiazolinone, phenyl propanol, 2-Bromo-2-Nitropropane1,3-Diol
  • Non-limiting examples of pearlizing agents include glycol distearic esters, such as ethylene glycol distearate, but also fatty acid monoglycol esters or triethylene glycol distearate.
  • Non-limiting examples of coloring agents, colorants or dyes used herein include natural foods colors and dyes suitable for food, drug, and cosmetic applications. These colorants are also known as FD & C, and D&C dyes and lakes and are preferably water-soluble in nature.
  • the present hair care composition can be formulated as an aerosol, a cream, an emulsion, a gel, a lotion, a mousse, a powder, a paste, a solution, spray, a shampoo, a vesicle dispersion, or a wax.
  • the present hair care composition is an aerosol, a mousse, or an actuated hair spray.
  • These hair care compositions are in the form of a bi-modal, tri-modal, quadra-modal or penta-modal blends of cationic guars.
  • the composition exhibits a high humidity curl retention of about 80% to about 100% over a 24-hour period at 90% humidity and at 80° F.
  • the composition delivers a wide range of tribological behavior; exhibits improved humidity resistance, stiffness, durability of hold, low slip, foam enhancement and curl maintenance; is nature derived and is biodegradable.
  • the present application provides a hair styling composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the hair styling composition is a bi-modal hair styling composition involving two cation guar polymer blends.
  • the hair styling composition comprises Guar hydroxypropyltrimonium chloride and Hydroxypropyl Guar Hydroxypropyl trimonium Chloride blend.
  • the present application provides a hair care composition for mending split ends, the composition comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the cosmetic functional ingredient is selected from the group consisting of acids, amino acids, antidandruff agents, anti-statics, antioxidants, anti-inflammatory agents, anti- microbial agents, acidifying agents, basifying agents, bodying agents, buffers, bleaches, cationic surfactants, cleansing agents, chelating agents, collagen, conditioning ingredients, compressed gases, dyes, de-ionized water, defoamers, emollients, emulsifiers, flexibility enhancers, fatty substances, fragrances, fillers, foam stabilizers, functional polymers, gel formers, humectants, ⁇ - hydroxycarboxylic acids, hydrophilic active agent, hair conditioning ingredients, hydrotropes, keratin hydrolyzates, light protection agents, lipophilic active agent, lipids, moisturizers, neutralizing agents, oxidizing agents, organosilicones, protein hydrolyzates, hydrotropes, perfumes, pigments, preservatives, propellants, proteins,
  • the present application provides an aqueous hair styling composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b); (ii) 1.0 to 60 wt. % of at least one solvent; (iii) 0.1 to 10 wt. % of at least one cosmetic functional additive; and (iv) 0.1 to 95 wt.
  • the at least one cosmetic functional ingredient is selected from the group consisting of acids, amino acids, antidandruff agents, anti-statics, antioxidants, anti-inflammatory agents, anti-microbial agents, acidifying agents, basifying agents, bodying agents, buffers, bleaches, cationic surfactants, cleansing agents, chelating agents, collagen, conditioning ingredients, compressed gases, dyes, de-ionized water, defoamers, emollients, emulsifiers, flexibility enhancers, fatty substances, fragrances, fillers, foam stabilizers, functional polymers, gel formers, humectants, ⁇ -hydroxycarboxylic acids, hydrophilic active agent, hair conditioning ingredients, hydrotropes, keratin hydrolyzates, light protection agents, lipophilic active agent, lipids, moisturizers, neutralizing agents, oxidizing agents, organosilicones, protein hydrolyzates, hydrotropes, perfumes, pigments, preservatives,
  • the preservative is selected from the groups consisting of phenoxy ethanol, caprylyl glycol or mixtures thereof;
  • the cationic surfactant is cetrimonium chloride, cetrimonium bromide, dicetyldimonium chloride and palmitamidopropyl trimonium chloride;
  • the gas propellant is selected from the group consisting of dimethyl ether, isobutane, 1,1-difluoro ethane, tetrafluoro propene, propane, compressed air, compressed nitrogen, compressed carbon dioxide, nitrous oxide, and mixtures thereof.
  • the present application provides a method for repairing split ends of hair comprising contacting hair with split ends with a hair care composition multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii)(a) and (ii) (b).
  • the present composition exhibits improved humidity resistance, stiffness, durability of hold, foam enhancement and curl maintenance.
  • the composition exhibits a high humidity curl retention of about 80% to about 100% over a 24-hour period at 90% humidity and at 80° F.
  • the present composition comprises cationic modified guars which are nature derived and are biodegradable.
  • the multimodal composition enables improved curl maintenance, variations of hold and stiffness, while delivering improvement in the delivery aesthetics such cushion in the and slip through the hair.
  • the present application provides a method for thermal and mechanical protection from brush and blow drying, comprising contacting the hair with a hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt.
  • % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii) (a) and (ii) (b).
  • the present application provides a method of protecting hair from the heat of hot flat ironing up to 450 0 F comprising contacting the hair with a Docket No.: 4368PCT hair care composition of multi-modal guar blends comprising: (I) 0.1 to 99.0 wt. % of at least one cationic guar blend comprising: (a) 1 to 99 wt. % of at least one modified cationic guar; and (b) 1 to 99 wt. % of at least one unmodified cationic guar; and (II) 0.1 to 99.0 wt.
  • the modified cationic guar has a weight average molecular weight range of 800 to 1200 KDa, and low degree of substitution (0.01 to 0.10); and the unmodified cationic guar has a: (i) weight average molecular weight range of 800-1200 KDa; and (ii) (a) low degree of substitution (0.01 to 0.10), (b) medium degree of substitution (0.10 to 0.20), or combination of (ii) (a) and (ii) (b).
  • EXAMPLES [0071] The hair care composition prepared using cationically modified guar polymer blends were effectively subjected to tests to compare and analyze the performance of present polymer blends with that of commercially available synthetic polymers. The present composition is compared against commercial synthetic polymers. [0072] COMPARATIVE EXAMPLES [0073] Control samples prepared using cationic guar polymers and different combinations are tabulated below. Table 1 Ingredients Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. Ex. 9 10 19 20 21 26 23 24 25 Guar hydroxypropyltrimonium chloride 1 0.2 2 2 [Mol.
  • Examples 29 to 32 BI-MODAL CATIONIC GUAR BLENDS
  • a hair care composition comprising bimodal cationic guar blends were prepared and the cationic guar blend combinations thereof are tabulated below. Docket No.: 4368PCT Table 4
  • Example # 29 30 31 32 Ingredients wt. wt. wt. wt. % % % Hydroxypropyl Guar 2.4 2.7 2.4 2.7 Hydroxypropyltrimonium Chloride [Mol.
  • Example 36 TRI-MODAL CATIONIC GUAR BLENDS [0081] A hair care composition comprising tri-modal cationic guar blends were prepared and the cationic guar blend combinations of tabulated below. Table 5 Example # 36 Ingredients wt.
  • HAIR CHARACTERISTICS 0.50 g test prototype applied to clean damp tress (International Hair Importers; Black Indian/Asian, 3.5 g, 2.5 cm wide, 25 cm length) and rolled on 2.5 cm roller, dried in oven set @ 48oC for 1 hour and kept @ 50 RH, 22oC +/- 2oC overnight. Roller was removed, and the tress was hung on evaluation board and clips removed. Tress evaluated on a scale of 1 to 10 for initial hold, hold after 5th compression and hold after 10th compression, comb drag, frizz control and static.
  • CURL COMPRESSION [0089] 0.50 g test prototype applied to clean damp tress (International Hair Importers; Black Indian/Asian, 3.5 g, 2.5 cm wide, 25 cm length) and rolled on 2.5 cm roller, dried in oven set @ 48oC for 1 hour and kept @ 50 RH, 22oC +/- 2oC overnight. Roller was removed, and the tress was fixed on the curl compression accessory of Diastron MTT 175. Total maximum gram force was measured over 5 cycles in triplicates for each test sample. The higher the gram force, the stiffer the hair. The results are illustrated in Fig.3. The values are tabulated below.
  • inventive composition comprising high weight average molecular weight cationic guar blends are advantageous over the prior art compositions in that the composition: (i) helps in improving on hair styling characteristics such as comb drag, frizz control, and stiffness as illustrated in figure 1, (ii) shows higher Gram force indicating better stifness in styled hair as illustrated in figures 3 and 4, and (iii) provides better defined resilient curls.
  • compositions and methods of the disclosed and/or claimed inventive concept(s) have been described in terms of particular aspects, it will be apparent to those of ordinary skill in the art that variations may be applied to the compositions and/or methods and in the steps or in the sequence of steps of the method described herein without departing from the concept, spirit and scope of the disclosed and/or claimed inventive concept(s). All such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope, and concept of the disclosed and/or claimed inventive concept(s).

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Abstract

L'invention concerne une composition de soins capillaires de mélanges de guar multimodaux comprenant : (i) au moins un mélange de guar cationique de poids moléculaire moyen en poids moyen en poids élevé qui contient (a) au moins un guar cationique modifié et (b) au moins un guar cationique non modifié ; et (ii) au moins un ingrédient fonctionnel cosmétique. L'invention concerne en outre l'application de ladite composition multimodale de soins capillaires dans le coiffage, la réparation des extrémités fendues des cheveux, la protection thermique et mécanique des cheveux contre la brosse et le séchage par soufflage et la protection des cheveux contre la chaleur de repassage à chaud.
PCT/US2024/043483 2023-08-25 2024-08-22 Composition multimodale de soins capillaires comprenant des mélanges cationiques de guar et son procédé de préparation Pending WO2025049258A2 (fr)

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MX2026002302A MX2026002302A (es) 2023-08-25 2026-02-25 Composicion para el cuidado del cabello multimodal que comprende mezclas de guar cationico y proceso para su preparacion

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