WO2020008119A1 - Formulation cosmétique lavante - Google Patents
Formulation cosmétique lavante Download PDFInfo
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- WO2020008119A1 WO2020008119A1 PCT/FR2019/000108 FR2019000108W WO2020008119A1 WO 2020008119 A1 WO2020008119 A1 WO 2020008119A1 FR 2019000108 W FR2019000108 W FR 2019000108W WO 2020008119 A1 WO2020008119 A1 WO 2020008119A1
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- Prior art keywords
- advantageously
- acid
- monomer
- oil
- acrylate
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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
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/062—Oil-in-water emulsions
-
- 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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
-
- 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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
-
- 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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8164—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)
-
- 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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8188—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bonds, and at least one being terminated by a bond to sulfur or by a hertocyclic ring containing sulfur; Compositions of derivatives of such polymers
-
- 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
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- 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
- A61Q5/02—Preparations for cleaning 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
- A61K2800/48—Thickener, Thickening system
-
- 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
- A61K2800/5424—Polymers characterized by specific structures/properties characterized by the charge anionic
-
- 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
- A61K2800/596—Mixtures of surface active compounds
-
- 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
- A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
Definitions
- the present invention relates to an aqueous washing formula, rinsable with water, comprising an oily cosmetic component.
- the formulation according to the invention foams and remains stable despite the presence of an oily cosmetic component, including when the oily component is present in quantities which may be significant.
- the present invention relates to the field of washing formulations, more particularly compositions of the shower gel type, shower cream for the skin, and shampoo type for the hair.
- These formulations are cosmetic or dermatological formulations. These formulations are intended for washing the skin or the hair of the human body. These formulations are then intended to be rinsed with water.
- a washing formulation includes water and surfactants allowing the formulation to lather and wash.
- ingredients such as texturing agents which give the consistency of gel, foam boosters which make it more or less abundant and persistent, chelating agents which act by sequestering limestone, hydrating active agents and humectants which can preserve the hydration of the skin, dyes to give the formulation an attractive color, perfume, plant extracts and most often preservatives to preserve the formulation of bacterial proliferation.
- an oily component such as a cosmetic oil, often a vegetable oil to, for example, nourish, moisturize the skin and prevent drying of the skin after washing.
- an oily component is still a challenge for the formulator.
- the cosmetic oily component disturb the foaming capacity of the washing formulation, but also when the distribution of the droplets is wide, the smallest droplets of the oily component will migrate towards the larger ones resulting in an increase in the average size. droplets, a phenomenon known as Ostwald ripening.
- Ostwald ripening Such a phenomenon destabilizes the washing formulation: the oily phase separating from the aqueous phase.
- the oily component is no longer in dispersed form in the aqueous phase. This phenomenon is irreversible.
- WO 2017-187123 describes shampoo or shower gel compositions which include insoluble agents such as exfoliating agents, encapsulation or oils.
- the document FR 3057461 discloses cosmetic or dermatological compositions in the form of nano-emulsions of the oil-in-water type. These compositions are formulated from a hydrophobic modified inulin polymer.
- the document WO 2006-063730 describes the manufacture of a stable and high particle size silicone emulsion combining a combination of organopolysiloxanes, emulsifiers and water.
- Document EP 1704852 describes topical foaming compositions which are in the form of an oil-in-water emulsion. These compositions comprise an oily phase dispersed in an aqueous phase comprising an emulsifying system and a foaming system containing a nonionic alkylpolyglucoside surfactant and an amphoteric surfactant.
- WO 2006-081892 discloses an oil-in-water emulsion comprising functional alkoxysilanes or organoalkoxysiloxanes, combined with an emulsifier and water. This emulsion can be used to make porous mineral building materials hydrophobic.
- the invention provides washing formulations which are stable and have good foaming capacity and which comprise an oily cosmetic component in contents which may be high.
- the subject of the invention is an aqueous washing formula, rinsable with water, comprising:
- the aqueous washing formulation is intended to wash at least the skin, the integuments or the hair of a mammal, in particular of a human being. It is then intended to be removed from the surface of the skin, appendages or hair by simple rinsing with water.
- the aqueous washing formulation is advantageously a shower gel or a shampoo.
- the cosmetic oily component B is dispersed in the form of droplets in the aqueous phase.
- the droplets of the cosmetic oily component B have a homogeneous distribution, thus limiting the risk of destabilization by Ostwald ripening.
- the polydispersity of the droplets of the oily component B is less than 1.6, advantageously less than 1.5.
- the formulation according to the invention is stable. Surprisingly, it also retains a good foaming power whatever the nature of the oily cosmetic component B, in particular of the vegetable oil, introduced.
- foaming capacity is meant, within the meaning of the present invention, the capacity for a washing formulation to generate a stable foam. This not only assesses the volume of foam generated but also the stability of the foam formed.
- the droplets of the cosmetic oily component B advantageously have a D50% of less than 50 ⁇ m, more advantageously less than 30 ⁇ m, even more advantageously less than 10 ⁇ m.
- the droplets of the cosmetic oily component B advantageously have a D50% greater than 0.1 ⁇ m, more advantageously greater than 0.25 ⁇ m or 0.5 ⁇ m, even more advantageously greater than 1 ⁇ m.
- the droplets of the oily cosmetic component B have a D50% ranging from 0.1 to 50 ⁇ m, advantageously from 0.25 to 30 ⁇ m or from 0.5 to 30 ⁇ m, more advantageously from 1 to 10 ⁇ m.
- the anionic copolymer A is advantageously, at least in part, at the interface of the droplets of the cosmetic oily component B.
- the formulation according to the invention is stable and has an effective foaming power for use as a washing formulation, in particular as a shower gel or as a shampoo .
- the pH of the formulation according to the invention advantageously ranges from 5 to 12, more advantageously from 5 to 8, even more advantageously from 5 to 7, even more advantageously from 5.5 to 7, even more advantageously from 5.5 to 6 7.
- the formulation according to the invention is capable of being obtained by a method comprising the following steps:
- anionic copolymer A chosen from an ASE copolymer, a HASE copolymer and their combinations,
- SA aqueous phase
- step b) mixing the oil-in-water emulsion obtained following step a) with an aqueous composition comprising at least one surfactant C.
- the formulation according to the invention comprises at least one anionic copolymer A chosen from an ASE copolymer, a HASE copolymer and their combinations.
- This anionic copolymer A makes it possible to control, in particular to reduce the polydispersity of the droplets of cosmetic oily component B in the aqueous phase.
- ASE means an alkali-soluble emulsion, a carboxylated copolymer based on:
- At least one anionic monomer comprising at least one polymerizable olefinic unsaturation, preferably an anionic monomer comprising at least one polymerizable olefinic unsaturation and at least one carboxylic acid function
- HASE an alkali-soluble emulsion hydrophobically modified, means a carboxylated copolymer based on:
- At least one anionic monomer comprising at least one polymerizable olefinic unsaturation, preferably an anionic monomer comprising at least one polymerizable olefinic unsaturation and at least one carboxylic acid function,
- the preferred anionic copolymer A is chosen from:
- an ASE copolymer prepared by polymerization reaction o (al) of at least one anionic monomer comprising at least one polymerizable olefinic unsaturation, preferably an anionic monomer comprising at least one polymerizable olefinic unsaturation and at least one carboxylic acid function;
- o (a4) optionally, at least one monomer comprising at least one polymerizable olefinic unsaturation and a sulfonic acid or phosphoric acid function;
- o (a5) optionally, of at least one monomer chosen from a hydroxy ((Ci-C 6 ) -alkyl) acrylate, a hydroxy ⁇ C 1 -C 6 ) - alkyl) methacrylate and their combinations;
- o (a6) optionally, at least one crosslinking monomer or at least one monomer comprising at least two olefinic unsaturations;
- o (a4) optionally, of at least one monomer comprising at least one polymerizable olefinic unsaturation and a sulfonic acid or phosphoric acid function;
- o (a5) optionally, at least one monomer chosen from hydroxy ((C 1 -C 6 ) -alkyl) acrylate, hydroxy (Ci-C 6 ) - alkyl) methacrylate and their combinations;
- o (a6) optionally, at least one crosslinking monomer or at least one monomer comprising at least two olefinic unsaturations;
- the anionic monomer (al) is independently chosen from acrylic acid, methacrylic acid, maleic acid, maleic anhydride, itaconic acid, crotonic acid, a salt of acrylic acid, a salt methacrylic acid, a salt of maleic acid, a salt of maleic anhydride, a salt of itaconic acid, a salt of crotonic acid and their combinations, much more preferably acrylic acid or methacrylic acid;
- the monomer (a2) is independently chosen from an ester of a compound derived from an acid chosen from acrylic acid, methacrylic acid, maleic acid, maleic anhydride, itaconic acid and crotonic acid, preferably an ester of acrylic acid or an ester of methacrylic acid, preferably chosen from methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, ethylhexyl acrylate, methyl methacrylate , ethyl methacrylate, propyl methacrylate, butyl methacrylate, ethylhexyl methacrylate and combinations thereof;
- om and n identical or different, independently represent 0 or an integer or decimal number less than 150, m or n is different from 0, o OE independently represents a group CH 2 CH 2 0, o OP independently represents a group chosen from CH (CH 3 ) CH 2 0 and CH 2 CH (CH 3 ) 0,
- o R 1 represents a group comprising at least one polymerizable olefinic unsaturation, preferably an acrylate group or a methacrylate group and
- R 2 represents a linear or branched C 6 -C 4 o-alkyl group, a phenyl group, a polyphenyl group, preferably a linear or branched C 1 o-Cso-alkyl group, more preferably a group C 12 - C 22 -alkyl, linear or branched, or a group comprising 2 to 5 phenyls or a tristyrylphenyl group or a pentastyrylcumylphenyl group;
- the monomer (a4) is a compound independently selected from 2-acrylamido-2-methylpropane sulfonic acid, ethoxymethacrylate acid sulfonic, sodium methallyl sulfonate, styrene sulfonate hydroxyethyl acrylate phosphate, hydroxypropyl acrylate phosphate, hydroxyethylhexyl acrylate phosphate, hydroxyethyl methacrylate phosphate, hydroxypropyl methacrylate phosphate, hydroxyethylhexyl-methaerylate phosphate, their salts and combinations thereof;
- the monomer (a5) is a compound independently selected from hydroxyethyl-acrylate, hydroxypropyl-acrylate, hydroxyethylhexyl-acrylate, hydroxyethyl-methacrylate, hydroxypropyl-methacrylate, hydroxyethylhexyl-methaerylate.
- the preferred anionic ASE copolymers are prepared by polymerization reaction:
- At least one anionic monomer comprising at least one polymerizable olefinic unsaturation preferably an anionic monomer comprising at least one polymerizable olefinic unsaturation and at least one carboxylic acid function
- the anionic monomer is independently chosen from acid acrylic, methacrylic acid, maleic acid, maleic anhydride, itaconic acid, crotonic acid, an acrylic acid salt, a methacrylic acid salt, a maleic acid salt, a salt maleic anhydride, an itaconic acid salt, a crotonic acid salt and combinations thereof, much more preferably acrylic acid or methacrylic acid and
- the HASE anionic copolymers are prepared by a polymerization reaction which also implements:
- - m and n identical or different, independently represent 0 or an integer or decimal number less than 150, m or n is different from 0, - OE independently represents a CH 2 CH 2 0 group,
- OP independently represents a group chosen from CH (CH 3 ) CH 2 0 and CH 2 CH (CH 3 ) 0,
- R 1 represents a group comprising at least one polymerizable olefinic unsaturation, preferably an acrylate group or a methacrylate group and
- R 2 represents a C 6 -C 4o-alkyl group, linear or branched, a phenyl group, a polyphenyl group, preferably a C 10 -C 3 o-alkyl group, linear or branched, more preferably a C 12 -C group 22 -alkyl, linear or branched, or a group comprising 2 to 5 phenyls or a tristyrylphenyl group or a pentastyrylcumylphenyl group.
- the anionic ASE or HASE copolymers are prepared by a polymerization reaction which also implements:
- (a4) at least one compound independently chosen from 2-acrylamido-2-methylpropane sulfonic acid, ethoxymethacrylate sulfonic acid, sodium methallyl sulfonate, styrene sulfonate, phosphated hydroxyethyl acrylate, phosphated hydroxypropyl acrylate, phosphated hydroxyethyl hexyl acrylate , phosphated hydroxyethyl methacrylate, phosphated hydroxypropyl methacrylate, phosphated hydroxyethyl hexyl methacrylate, their salts and combinations thereof.
- the anionic ASE or HASE copolymers are prepared by a polymerization reaction which also implements:
- (a5) at least one compound independently selected from hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethylhexyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, hydroxyethylhexyl methacrylate.
- the anionic ASE or HASE copolymers are prepared by a polymerization reaction which also implements:
- the monomer (a6) can, for example, be independently chosen from di (meth) acrylates such as polyalkylene glycol di (meth) acrylate, in particular polypropylene glycol di (meth) acrylate, di (meth) acrylate.
- di (meth) acrylates such as polyalkylene glycol di (meth) acrylate, in particular polypropylene glycol di (meth) acrylate, di (meth) acrylate.
- ethylene glycol polyethylene glycol di (meth) acrylate, methylene glycol di (meth) acrylate, 1,3-butylene glycol di (meth) acrylate, 1,6-butylene glycol di (meth) acrylate , the 1,6-hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, 1,9-nonanediol di (meth) acrylate, but also 2,2'-bis (4- (acryloxy- propyleoxyphenyl)) propane, 2,2'-bis (4- (acryloxydiethoxy-phenyl)) propane and zinc acrylate; tri (meth) acrylate compounds such as trimethylolpropane tri (meth) acrylate and ethoxylated trimethylolpropane tri (meth) acrylate, tri (meth) acrylate trimethylolethane, tri (meth) acrylate pentaerythri
- the monomer (a6) can also be prepared by an esterification reaction of a polyol with an unsaturated anhydride such as acrylic anhydride, methacrylic anhydride, maleic anhydride or itaconic anhydride.
- an unsaturated anhydride such as acrylic anhydride, methacrylic anhydride, maleic anhydride or itaconic anhydride.
- compounds chosen independently from polyhaloalkanols such as 1,3-dichloroisopropanol and 1,3 dibromoisopropanol; haloepoxyalkanes such as epichlorohydrin, epibromohydrin, 2-methyl epichlorohydrin and epiiodohydrin; polyglycidyl ethers such as 1,4-butanediol diglycidyl ether, glycerin-1,3-diglycidyl ether, ethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, di
- the monomer (a6) can also be chosen from trifunctional crosslinkers. It may in particular be tri (meth) acrylate of trimethylolpropane (TMPTA) or tri (meth) acrylate of ethoxylated trimethylolpropane (such as for example TMPTA 30E).
- TMPTA trimethylolpropane
- the monomer (a6) can also be chosen from trimethylolpropane tri (meth) acrylate, ethoxylated trimethylolpropane tri (meth) acrylate, di (meth) acrylate ethylene glycol, methylenebisacrylamide, diallylphthalate, diallylmaleate and mixtures thereof.
- the monomer (a6) can also be a mixture of two distinct monomers, for example EGDCPEA (ethylene glycol dicyclopentenyl ether acrylate) and TMPTA or alternatively EGDCPEA and TMPTA 30E or alternatively EGDCPEMA (ethylene glycol dicyclopentenyl ether methacrylate) and TMPTA or EGDCPEMA and TMPTA 30E.
- EGDCPEA ethylene glycol dicyclopentenyl ether acrylate
- TMPTA ethylene glycol dicyclopentenyl ether methacrylate
- EGDCPEMA ethylene glycol dicyclopentenyl ether methacrylate
- the monomer (a6) is preferably chosen from trimethylolpropane trimethacrylate, trimethylolpropane triacrylate, ethoxylated trimethylolpropane trimethacrylate, ethoxylated trimethylolpropane triacrylate, ethylene glycol dimethacrylate, diacryl ethylene glycol, methylenebisacrylamide, diallylphthalate, diallylmaleate and mixtures thereof.
- the particularly preferred ASE anionic copolymers according to the invention are prepared by a polymerization reaction which implements:
- the particularly preferred HASE anionic copolymers according to the invention are prepared by a polymerization reaction which implements:
- n identical or different, independently represent 0 or an integer or decimal number less than 150, m or n is different from 0,
- - OE independently represents a CH 2 CH 2 0 group
- OP independently represents a group chosen from CH (CH 3 ) CH 2 0 and CH 2 CH (CH 3 ) 0,
- R 1 represents a group, an acrylate group or a methacrylate group and - R 2 represents a linear or branched C 6 -C 4 o-alkyl group, a phenyl group, a polyphenyl group, preferably a linear or branched C 10 -C 3o-alkyl group, more preferably a group C 12 -C 2 2-alkyl, linear or branched, or a group comprising 2 to 5 phenyls or a tristyrylphenyl group or a pentastyrylcumylphenyl group.
- ASE anionic copolymers are prepared by a polymerization reaction which implements:
- HASE anionic copolymers which are particularly preferred according to the invention are prepared by a polymerization reaction which implements:
- n identical or different, independently represent 0 or an integer or decimal number less than 150, m or n is different from 0,
- OE independently represents a CH 2 CH 2 0 group
- OP independently represents a group chosen from CH (CH 3 ) CH 2 0 and CH 2 CH (CH 3 ) 0,
- R 1 represents a group, an acrylate group or a methacrylate group
- R 2 represents a linear or branched C 6 -C 4 o-alkyl group, a phenyl group, a polyphenyl group, preferably a linear or branched C t o-Cao-alkyl group, more preferably a Ci 2 group - C 22 -alkyl, linear or branched, or a group comprising 2 to 5 phenyls or a tristyrylphenyl group or a pentastyrylcumylphenyl group and
- At least one chain transfer agent preferably chosen from mercaptan compounds, in particular mercaptan compounds comprising at least four atoms of carbon such as butylmercaptan, n-octylmercaptan, n-dodecylmercaptan, / er / -dodecylmercaptan, iso-octylmercaptopropionate.
- the formulation according to the invention advantageously comprises from 0.007% to 8% by weight, relative to its total weight, of anionic copolymer A.
- the formulation also advantageously comprises from 0.036% to 7% by weight, more advantageously from 0.050% to 6 % by weight, relative to its total weight, of anionic copolymer A.
- the formulation also advantageously comprises from 0.007% to 7% by weight, more advantageously from 0.007% to 6% by weight, relative to its total weight, of copolymer anionic A.
- the formulation also advantageously comprises from 0.036% to 8% by weight, more advantageously from 0.036% to 6% by weight, relative to its total weight, of anionic copolymer A.
- the formulation also advantageously comprises from 0.050% to 7 % by weight, more advantageously from 0.050% to 6% by weight, relative to its total weight, of anionic copolymer A.
- Cosmetic oily component B is an oily component suitable for cosmetic or dermatological use.
- the oily component B can be chosen from a mineral fatty substance, a synthetic fatty substance, a vegetable fatty substance, a fatty substance of animal origin and their combinations.
- the oily component B can be chosen from a fatty acid, a fatty alcohol, butter, a wax, an oil, an unsaponifiable compound, a terpene, a sterol and their combinations.
- wax examples include beeswax.
- the oil can be chosen from a mineral oil, an oil of animal origin, a vegetable oil, a synthetic oil, a silicone oil, a fluorinated oil and their combinations, preferably a vegetable oil.
- the oil is chosen from a mineral oil, an oil of animal origin, a vegetable oil, a synthetic oil, a fluorinated oil and their combinations, preferably a vegetable oil.
- mineral oil mention may in particular be made of paraffin oil, petroleum jelly oil, mineral oils having a boiling point ranging from 300 to 400 ° C.
- Examples of synthetic oils that may be mentioned include hydrogenated polyisobutene, fatty acid esters such as purcellin oil, butyl myristate, isopropyl myristate, cetyl myristate, palmitate. isopropyl, butyl stearate, dyxadecyl stearate, isopropyl stearate, octyl stearate, isocetyl stearate, decyl oleate, dexyl laurate, propylene glycol dicaprylate, esters derived from d lanolic acid such as disopropyl lanolate, isocetyl lanolate, acetylglycerides, alcohol octanoates, polyalcohol octanoates, alcohol decanoates, polyalcohol decanoates, in particular glycol octanoates, octanoates of glycerol, glycol de
- silicone oil mention may in particular be made of cyclomethicones, low molecular weight polydimethylsiloxanes or silicone oils, high molecular weight polydimethylsiloxanes or silicone gums, polymethylsiloxanes, dimethiconols, phenylated polydimethylsiloxanes, low molecular weight siloxanols, high molecular weight siloxanols, trimethylsiloxysilicates and combinations thereof.
- fluorinated oil mention may in particular be made of fluorinated perfluoroethers, fluorinated silicones and their combinations.
- vegetable oil As an example of vegetable oil, mention may in particular be made of sweet almond oil, calophyllum oil, palm oil, apricot kernel oil, avocado oil, jojoba oil, olive oil, sunflower oil, castor oil, sesame seed oil, cereal seed oils, liquid fraction of shea butter and combinations thereof .
- the unsaponifiable compounds are advantageously derived from vegetable oils.
- terpenes mention may in particular be made of monoterpenes, sesquiterpenes, diterpenes, sesterterpenes, triterpenes, tetraterpenes and polyterpenes.
- the sterol is advantageously a phytosterol.
- the cosmetic oily component B is preferably chosen from a vegetable oil, an unsaponifiable compound derived from a vegetable oil, a synthetic oil and their combinations.
- the cosmetic oily component B is more particularly a vegetable oil.
- the formulation according to the invention advantageously comprises from 5 to 35% by weight, more advantageously from 7 to 30% by weight, relative to its total weight, of cosmetic oily component B.
- the formulation also advantageously comprises from 1 to 35% by weight. weight, more advantageously from 1 to 30% by weight, relative to its total weight, of cosmetic oily component B.
- the formulation also advantageously comprises from 5 to 35% by weight, more advantageously from 7 to 30% by weight, relative to its total weight, cosmetic oily component B.
- the formulation also advantageously comprises from 5 to 40% by weight, more advantageously from 5 to 30% by weight, relative to its total weight, from cosmetic oily component B.
- the formulation comprises also advantageously from 7 to 40% by weight, more advantageously from 7 to 35% by weight, relative to its total weight, of cosmetic oily component B.
- surfactant is meant an ingredient which reduces surface tension and promotes cleansing of the skin.
- Many surfactant compounds also play the role of emulsifying agents or foaming agents.
- surfactants C there may be mentioned in particular ammonium laureth sulfate; ammonium lauryl sulfate; caprylyl / capryl glucoside; cetyl betaine; cocamidopropyl betaine; eoco-betaine; coco-glucoside; decyl glucoside; disodium cocoamphodiacetate; disodium laureth sulfoSuccinate; disodium lauryl sulfosuccinate; disodiunr stearoyl glutamate; glycol stearate; lauramidopropyl betaine; PEG-100 stearate; potassium cetyl phosphate; sodium cocoa phoacetate; sodium cocoyl isethionate; sodium laureth sulfate; sodium lauryl sulfate; sodium palm kemelate; sodium methyl cocoyl laurate; alpha olefin sulfonates such as sodium C 14 -Ci
- alkaline soaps Na + , K + , NH 4 + soaps
- metallic soaps especially calcium
- organic soaps triethanolamine soap for example, including triethanolamine stearate
- the surfactant C is chosen from an anionic surfactant, an amphoteric surfactant, a nonionic surfactant and combinations thereof.
- the formulation comprises from 2 to 25% by weight, relative to its total weight, of surfactant C.
- the formulation also comprises at least one suspending agent.
- This suspending agent improves the stability of the droplets of oily component in the aqueous formulation by preventing their migration due to the difference in density between the droplets of the oily component and the aqueous phase.
- the oily phase remains dispersed in the aqueous phase.
- the condition is reversible.
- a simple manual agitation of the container comprising the formulation makes it possible to restore a homogeneous dispersion.
- the suspending agent can be chosen from a crosslinked anionic copolymer, a carbomer, a xanthan gum and combinations thereof.
- the suspending agent is a crosslinked anionic copolymer.
- xanthan gums that may be mentioned include the following commercial products: Rheocare XGN (BASF), Rhodicare 80 Pharma (Solvay), Rhodicare 200 Pharma (Solvay).
- the crosslinked anionic copolymer is advantageously of the crosslinked ASE or crosslinked HASE type.
- it is a crosslinked ASE copolymer obtained by polymerization of at least one monomer (a1), at least one monomer (a2) and at least one monomer (a6).
- the crosslinked ASE copolymer can also be obtained by polymerization of the monomers (a1), (a2) and (a6) with one or more monomers chosen from a monomer (a4), a monomer (a5) and their combinations.
- it is a crosslinked HASE copolymer obtained by polymerization of at least one monomer (a1), at least one monomer (a2), at least one monomer (a3) and at least minus one monomer (a6).
- the crosslinked HASE copolymer can also be obtained by polymerization of the monomers (a1), (a2), (a3) and (a6) with one or more monomers chosen from a monomer (a4), a monomer (a5) and their
- the monomers (a1), (a2), (a3), (a4), (a5) and (a6) are as defined for the anionic copolymer A according to the invention.
- crosslinked ASE or crosslinked HASE copolymers By way of example of crosslinked ASE or crosslinked HASE copolymers, the following commercial products may be mentioned:
- crosspolymer-4 Carbopol Aqua SF-2 (Lubrizol),
- the formulation according to the invention may also comprise any other ingredient usually introduced into a washing formulation, in particular in a shower gel or in a shampoo.
- the formulation according to the invention also comprises one or more of the following ingredients:
- ⁇ at least one cationic polymer chosen from Polyquatemium-1 to Polyquatemium-47 and quaternized guars;
- solubilizing agent such as fatty acids, fatty alcohols, hydrolysates of collagen or protein, and their combinations.
- solubilizing agent is understood to mean an ingredient which promotes the formation of intimate mixtures between immiscible liquids (such as, for example, water and perfume); »At least one moisturizing and moisturizing active ingredient such as glycerol (INCI name: Glycerin);
- the subject of the invention is also a method of preparing a formulation according to the invention, comprising the following steps:
- anionic copolymer A chosen from an ASE copolymer, a HASE copolymer and their combinations,
- SA aqueous phase
- step b) mixing the oil-in-water emulsion obtained following step a) with an aqueous composition comprising at least one surfactant C.
- the oil-in-water emulsion prepared in step a) advantageously comprises from 20 to 50% by weight, relative to the weight of the oil-in-water emulsion, of oily cosmetic component B.
- the oil-in-water emulsion prepared in step a) advantageously comprises from 0.05 to 2% by weight, more advantageously from 0.05 to 1% by weight, relative to the weight of the oil-in emulsion water, of said anionic copolymer A.
- the oil-in-water emulsion prepared in step a) advantageously comprises from 1 to 4% by weight, more advantageously from 1 to 2% by weight, relative to the weight of the oil-in-water emulsion, of said anionic copolymer A.
- the oil-in-water emulsion prepared in step a) advantageously comprises from 2 to 4% by weight, relative to the weight of the oil-in-water emulsion, of said anionic copolymer A.
- the ratio (cosmetic oily component B) / (anionic copolymer A) advantageously varies from 5 to 140, more advantageously from 10 to 140, even more advantageously from 20 to 140.
- the ratio (cosmetic oily component B) / (anionic copolymer A) advantageously varies from 5 to 70, more advantageously from 10 to 70.
- the ratio (cosmetic oily component B) / (anionic copolymer A) advantageously varies from 5 to 35.
- the aqueous phase (SA) also comprises a base.
- a base is a mineral base, in particular a base chosen from NaOH, KOH, ammonium derivatives, ammonia and their combinations.
- a base chosen from amino bases for example triethanolamine, aminomethylpropanol or 2-amino-2-methyl-propanol (AMP) and their combinations.
- the method according to the invention implements an aqueous phase (SA) which has a pH greater than 6.5. Also advantageously, the method according to the invention implements an aqueous phase (SA) which has a pH of less than 12.
- the method according to the invention implements an aqueous phase (SA) which has a pH ranging from 6.5 to 12, advantageously ranging from 6.5 to 11, advantageously ranging from 7 to 12.
- SA aqueous phase
- SA aqueous phase
- step (a-ii) adjust the pH of the mixture obtained in step (a-ii) to a value greater than or equal to 6.5.
- the aqueous phase (SA) does not comprise a surfactant or else comprises a quantity of surfactant, preferably nonionic, which is low.
- the amount of surfactant, preferably nonionic can range from 0.05 to 2% by weight or from 0.05 to 1% by weight, based on the weight of the aqueous phase (SA).
- the preparation temperature is lower than the boiling point of the hydrophilic phase and lower than the boiling point of the lipophilic phase. Also advantageously according to the invention, the temperature of preparation is greater than the melting point of the hydrophilic phase and greater than the melting point of the lipophilic phase.
- the preparation temperature is lower than the boiling point of the hydrophilic phase and lower than the boiling point of the lipophilic phase while being higher than the melting point of the hydrophilic phase and higher than the melting point of the lipophilic phase.
- the method according to the invention comprises the addition of the oily cosmetic component B into the aqueous phase (SA) with stirring, advantageously at a speed ranging from 200 to 10,000 rpm, more advantageously from 500 to 5,000 rpm.
- SA aqueous phase
- Any means of agitation can be used.
- the device used is a mixer, in particular a VMI Rayneri mixer or a Dca mixer.
- step a and before step b), other complementary steps can also be implemented during the method according to the invention.
- the method according to the invention can also comprise the neutralization of the oil-in-water emulsion obtained following step a).
- the neutralization is carried out by means of at least one compound chosen from NaOH, KOH, ammonium derivatives, ammonia, amino bases, for example triethanolamine, aminomethylpropanol or 2-amino-2-methyl-propanol (AMP) and their combinations.
- the method according to the invention can also comprise the partial coacervation of the anionic copolymer A.
- the partial coacervation of the anionic copolymer A is carried out by reducing the pH of the oil-in-water emulsion obtained following in step a), for example by reducing the pH to a value less than 6.5.
- the reduction in pH can be carried out by means of an acidic compound, in particular by means of at least one organic or mineral acidic compound, in particular an acidic compound chosen from phosphoric acid, citric acid, glucono-lactone, lactic acid, acid.
- salicylic glycolic acid, ascorbic acid, glutamic acid, hydrochloric acid, acetic acid, D-gluconic acid, sulfonic acid, methane-sulfonic acid, benzimidazole-sulfonic acid, tartaric acid, 4-aminobenzoic acid, benzoic acid, sorbic acid, acid phenylbenzimidazole sulfonic, benzylidene camphor sulfonic acid, terephthalylidene dicamphor sulfonic acid.
- the partial coacervation of the anionic copolymer A is carried out by increasing the ionic strength of the oil-in-water emulsion obtained following step a).
- the increase in the ionic strength of the oil-in-water emulsion obtained following in step a) can be carried out by adding at least one ionized compound or at least one salt, in particular NaCl, KC1, MgCk, CaCl 2 , MgS0 4 , CaS0 4 .
- the partial coacervation of the anionic copolymer A is carried out by reducing the solubility of the anionic copolymer in the hydrophilic phase.
- the reduction in solubility can be carried out by adding at least one cationic polymer, in particular a cationic polymer chosen from polyquatemium 1 to polyquatemium 47 and quaternized guars, in particular hydroxypropyl-guar triammonium chloride, polydiallyldimethylammonium chloride (polyDADMAC or polyDDA) , poly-2- (methacryloyloxy) ethyl-trimethyl-ammonium chloride (polyMAD quat).
- a cationic polymer chosen from polyquatemium 1 to polyquatemium 47 and quaternized guars, in particular hydroxypropyl-guar triammonium chloride, polydiallyldimethylammonium chloride (polyDADMAC or polyDDA) , poly-2- (methacrylo
- the method according to the invention can combine any of these additional steps.
- the method according to the invention can also comprise the neutralization of the oil-in-water emulsion obtained following step a) and the partial coacervation of the anionic copolymer.
- the method according to the invention can also comprise a step (a ′) for adjusting the pH of the oil-in-water emulsion obtained following step a) to a pH ranging from 5 to 12, advantageously from 5 to 8, more advantageously from 5 to 7, even more advantageously from 5.5 to 6.7.
- step (a ’) is prior to step b).
- the oil-in-water emulsion thus obtained is mixed, during step b), with an aqueous composition comprising at least one surfactant C.
- step b) comprises a step of adjusting the pH of the formulation obtained to a pH ranging from 5 to 12.
- Step b) advantageously comprises the following successive steps
- step (b-iii) adjusting the pH of the formulation obtained following step (b-ii) to a pH ranging from 5 to 12, advantageously from 5 to 8, more advantageously from 5 to 7, even more advantageously from 5, 5 to 6.7.
- the amount of oil-in-water emulsion added is chosen according to the content of oily component B desired in the final formulation.
- all of the cosmetic oily component B present in the formulation obtained by the method according to the invention is provided by adding the oil-in-water emulsion obtained following step a).
- various ingredients conventionally used in a washing formulation in particular in a shower gel or a shampoo. These ingredients can be present or added during steps (bl) or (b2). They can also be added in an additional step consecutive to step (b2) and prior to step (b3).
- the formulation obtained by the method according to the invention comprises from 1 to 40% by weight, relative to the total weight of the formulation, of at least one oily cosmetic component B in the form of droplets dispersed in the aqueous phase having a polydispersity , (D90% - D10%) / D50%, advantageously less than 1.7, more advantageously less than 1.6, even more advantageously less than 1.5.
- the D10%, the D50% and the D90% of the droplets of an oily cosmetic component B are as defined for the formulation according to the invention.
- the formulation obtained by the method according to the invention is stable and retains good foaming power.
- the subject of the invention is also a washing formulation capable of being obtained by the method according to the invention, in which the oily cosmetic component B is in the form of droplets dispersed in the aqueous phase and having a polydispersity, (D90% - D10%) / D50%, less than 1.7, advantageously less than 1.6, more advantageously less than 1.5.
- the oily cosmetic component B is in the form of droplets dispersed in the aqueous phase and having a polydispersity, (D90% - D10%) / D50%, less than 1.7, advantageously less than 1.6, more advantageously less than 1.5.
- the surfactants are sodium laureth sulfate (SLES) and cocoamidoprpyl betaine (CAPB).
- SLES sodium laureth sulfate
- CAPB cocoamidoprpyl betaine
- the hydrotimetric title of the raw water is 38 ° TH.
- volume at 30 seconds The volume of foam for 30 seconds of rest, called volume at 30 seconds, and for 4 minutes of rest, called volume at 4 minutes, will be calculated by the difference between the weighing of the top line for 30 seconds, respectively for 4 minutes , and the weighing of the bottom line for 30 seconds, respectively for 4 minutes.
- volume at 4 minutes For osmosis water, 1 mg corresponding to 1 mL, the volume of foam will be expressed in mL.
- D10% corresponds to the size for which 10% of the volume of the particles have a size smaller than this particular value.
- D50% corresponds to the size for which 50% of the volume of the particles have a size less than this particular value.
- D90% corresponds to the size for which 90% of the volume of the particles have a size smaller than this particular value.
- the polydispersity is determined by calculation from the values of D10%, D50% and D90% measured.
- the polydispersity corresponds to the result of (D90% - D10%) / D50%.
- Anionic copolymer A cf. preparation method
- SLES sodium laureth sulfate (Texapon NSO UP from BASF)
- CAPB cocoamidopropyl betaine (Dehyton pK 45 from BASF)
- PQ-7 polyquatemium-7 (Salecare super 7 AT 1 from BASF)
- Sweet almond oil Prunus amygdalus dulcis oil, CAS No. 8007-69-0 / 90320-37-9
- Sesame seed oil Sesamum indicum oil, CAS number. 8008-74-0
- mixture 1 is prepared by introducing deionized water and sodium lauryl sulfate (SLS) and optionally an ethoxylated fatty acid (Rhodasurf® ID 030).
- SLS sodium lauryl sulfate
- Rhodasurf® ID 030 an ethoxylated fatty acid
- a mixture 2 known as a premix of monomers, is prepared in a beaker, comprising in deionized water:
- an associative hydrophobic monomer methacrylate-OE25-C l6 - branched alkyl resulting from a Guerbet reaction or methacrylate-OE23-C l2- linear alkyl,
- This premix is stirred to form a monomeric mixture.
- a solution of initiator 1 is prepared comprising ammonium persulfate and deionized water.
- a solution of initiator 2 is prepared comprising ammonium persulfate and deionized water. All of the reagents and quantities used are presented in Table 1.
- the initiator solution 1 is injected, optionally at the same time the initiator solution 2, then the premix of monomers for 2 hours (for CA3 in the Table 1, the initiator solution 1 and the premix of monomers are injected in parallel for 2 h 30 min). It is cooked for 30 min at the polymerization temperature. The assembly is then cooled to room temperature.
- the polymers according to the invention were prepared under these conditions by varying the monomer compositions of the premixes of monomers. The compositions of the copolymers obtained are presented in Table 1.
- copolymers (CA1), (CA2) and (CA3) are obtained.
- the ingredients of the PI phase In a beaker, introduce the ingredients of the PI phase and place under the agitation of a Rayneri type VMI mixer. Neutralize the mixture with the sodium hydroxide solution from phase P2 to reach a pH of 7. And finally, gradually incorporate the oil from phase P3.
- the Pl phase For an emulsion comprising Emulium Delta, the Pl phase must be heated to 70-80 ° C until a homogeneous mixture is obtained.
- the percentages,% are percentages by weight relative to the total weight of the oil-in-water emulsion.
- the value "x" corresponds to the dry extract content of the anionic copolymer A or of the Emulium Delta.
- phase P’l In a beaker, with the stirring of a mixer, the ingredients of phase P’l are added in the order of the following table. Once the mixture is homogeneous, the ingredients of phase P’2 are added. And finally, the pH is adjusted using the sodium hydroxide solution from phase P’3. The ingredients and quantities used are presented in Table 3. The percentages,%, are percentages by weight relative to the total weight of the shower gel.
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2). Each emulsion comprises 1% by weight of anionic copolymer A chosen from the copolymer (CAI), the copolymer (CA2) or the copolymer (CA3), defined in Table 1. Each emulsion comprises 40% by weight of almond oil soft.
- Phase P ’1 comprises 8% by weight of Rheostyl TM 100 to 30%.
- a control shower gel denoted T, is also used, comprising all the ingredients of the shower gel described in Table 3 with the exception of the oil-in-water emulsion of step a) containing 40% oil.
- This control shower gel also does not include oil.
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2). Each emulsion comprises 0.7% or 1% or 1.5% by weight of anionic copolymer (CAI), defined in table 1. Each emulsion comprises 40% by weight of sweet almond oil.
- CAI anionic copolymer
- Phase P ’1 comprises 8% by weight of Rheostyl TM 100 to 30%.
- a control shower gel denoted T, is also used, comprising all the ingredients of the shower gel described in Table 3 with the exception of the oil-in-water emulsion of step a) containing 40% oil.
- This control shower gel also does not include oil.
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2). Each emulsion comprises 1% by weight of anionic copolymer (CAI), defined in table 1. Each emulsion comprises 40% by weight of sweet almond oil.
- CAI anionic copolymer
- Phase P’l comprises 8% by weight of Rheostyl TM 100 to 30%.
- a control shower gel comprising all the ingredients of the shower gel described in Table 3 with the exception of the oil-in-water emulsion of step a) containing 40% oil.
- This control shower gel also does not include oil.
- the content of sweet almond oil and the content of anionic copolymer (CAI) are indicated for each shower gel.
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2). Each emulsion comprises 1% by weight of anionic copolymer (CAI) defined in Table 1. Each emulsion comprises 40% by weight of a vegetable oil chosen from sweet almond oil or sesame seed oil.
- CAI anionic copolymer
- Each emulsion is then used to make a shower gel comprising 10% by weight, relative to the total weight of shower gel, of vegetable oil according to the protocol described. in the introduction (table 3).
- the P'l phase comprises 8% by weight of Rheostyl TM 100 to 30%.
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2). Each emulsion comprises 1% by weight of anionic copolymer (CAI) defined in Table 1. Each emulsion comprises 40% by weight of sweet almond oil.
- CAI anionic copolymer
- a GD1 shower gel comprising 10% by weight, relative to the total weight of shower gel, of sweet almond oil according to the protocol described in the introduction (Table 3) for which the phase P'1 comprises 8% by weight of Rheostyl TM 100 to 30% or
- a GD2 shower gel comprising 10% by weight, relative to the total weight of shower gel, of sweet almond oil according to the protocol described in the introduction (Table 3) for which phase P ′ 1 comprises 0.5% by weight of Carbopol® Ultrez 20 or
- the percentages,%, are percentages by weight relative to the total weight of the shower gel. We measure for each shower gel:
- the percentages,% are percentages by weight relative to the total weight of the shower gel.
- a GD6 shower gel is also prepared according to the following protocol:
- An oil-in-water emulsion, O / W, is prepared according to the protocol described in the introduction (Table 2), but using Emulium Delta in place of the anionic copolymer A.
- the emulsion comprises 6% by weight ( dry extract) of Emulium Delta.
- the emulsion comprises 40% by weight of sweet almond oil.
- Phase P’l comprises 8% by weight of Rheostyl TM 100 to 30%.
- the mixture formed is unstable and does not allow measurement.
- the sweet almond oil is introduced directly, without the preliminary step of manufacturing an oil-in-water emulsion.
- Three shower gels are prepared, GD7, GD8 and GD9, respectively comprising 0%, 10% or 20% by weight, relative to the total weight of shower gel, of sweet almond oil according to the protocol described in the introduction (Table 3 ), but by introducing the oil directly, that is to say without prior emulsification.
- the R ⁇ phase comprises 8% by weight of Rheostyl TM 100 to 30%.
- the distribution of the oil droplets is polydisperse.
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Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112020025146-1A BR112020025146A2 (pt) | 2018-07-06 | 2019-07-01 | Formulação de limpeza aquosa enxaguável com água, método de preparação de uma formulação e formulação de limpeza |
| EP19744749.3A EP3817708A1 (fr) | 2018-07-06 | 2019-07-01 | Formulation cosmétique lavante |
| US17/255,205 US11826442B2 (en) | 2018-07-06 | 2019-07-01 | Cosmetic cleansing formulation |
| CN201980045231.5A CN112367962A (zh) | 2018-07-06 | 2019-07-01 | 化妆品清洁制剂 |
| KR1020217003894A KR20210031723A (ko) | 2018-07-06 | 2019-07-01 | 화장품 클렌징 제형 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1856239A FR3083448B1 (fr) | 2018-07-06 | 2018-07-06 | Formulation cosmetique lavante |
| FR1856239 | 2018-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020008119A1 true WO2020008119A1 (fr) | 2020-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2019/000108 Ceased WO2020008119A1 (fr) | 2018-07-06 | 2019-07-01 | Formulation cosmétique lavante |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11826442B2 (fr) |
| EP (1) | EP3817708A1 (fr) |
| KR (1) | KR20210031723A (fr) |
| CN (1) | CN112367962A (fr) |
| BR (1) | BR112020025146A2 (fr) |
| FR (1) | FR3083448B1 (fr) |
| WO (1) | WO2020008119A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3914224A1 (fr) * | 2019-01-23 | 2021-12-01 | Coatex | Composition cosmetique nettoyante comprenant un copolymère de type ase ou hase |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006063730A1 (fr) | 2004-12-15 | 2006-06-22 | Wacker Chemie Ag | Fabrication d'une emulsion stable de silicone |
| WO2006081892A1 (fr) | 2005-02-03 | 2006-08-10 | Degussa Gmbh | Emulsions aqueuses d'alcoxysilanes fonctionnels, leurs oligomeres condenses et leur preparation et utilisation pour un traitement de surface |
| EP1704852A1 (fr) | 2005-03-25 | 2006-09-27 | L'oreal | Emulsion H/E moussante et son utilisation dans le domaine cosmétique |
| WO2017187123A1 (fr) | 2016-04-26 | 2017-11-02 | Pz Cussons (International) Ltd | Composition d'hygiène personnelle |
| FR3057461A1 (fr) | 2016-10-13 | 2018-04-20 | Nathalie Gueyne D'aboville | Nanoemulsions du type huile dans eau, formulees a partir d'un polymere d'inuline modifie hydrophobe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060217283A1 (en) | 2005-03-25 | 2006-09-28 | L'oreal | Foaming O/W emulsion and use thereof in cosmetics |
| US7993678B2 (en) * | 2005-09-26 | 2011-08-09 | Novozymes Biopolymer A/S | Hyaluronic acid derivatives |
| US10813853B2 (en) * | 2014-12-30 | 2020-10-27 | L'oreal | Compositions and methods for hair |
-
2018
- 2018-07-06 FR FR1856239A patent/FR3083448B1/fr not_active Expired - Fee Related
-
2019
- 2019-07-01 BR BR112020025146-1A patent/BR112020025146A2/pt active Search and Examination
- 2019-07-01 EP EP19744749.3A patent/EP3817708A1/fr not_active Withdrawn
- 2019-07-01 WO PCT/FR2019/000108 patent/WO2020008119A1/fr not_active Ceased
- 2019-07-01 CN CN201980045231.5A patent/CN112367962A/zh active Pending
- 2019-07-01 KR KR1020217003894A patent/KR20210031723A/ko not_active Abandoned
- 2019-07-01 US US17/255,205 patent/US11826442B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006063730A1 (fr) | 2004-12-15 | 2006-06-22 | Wacker Chemie Ag | Fabrication d'une emulsion stable de silicone |
| WO2006081892A1 (fr) | 2005-02-03 | 2006-08-10 | Degussa Gmbh | Emulsions aqueuses d'alcoxysilanes fonctionnels, leurs oligomeres condenses et leur preparation et utilisation pour un traitement de surface |
| US20080187673A1 (en) * | 2005-02-03 | 2008-08-07 | Degussa Gmbh | Aqueous Emulsions of Functional Alkoxysilanes and Condensed Oligomers Thereof, Their Preparation and Use For Surface Treatment |
| EP1704852A1 (fr) | 2005-03-25 | 2006-09-27 | L'oreal | Emulsion H/E moussante et son utilisation dans le domaine cosmétique |
| WO2017187123A1 (fr) | 2016-04-26 | 2017-11-02 | Pz Cussons (International) Ltd | Composition d'hygiène personnelle |
| FR3057461A1 (fr) | 2016-10-13 | 2018-04-20 | Nathalie Gueyne D'aboville | Nanoemulsions du type huile dans eau, formulees a partir d'un polymere d'inuline modifie hydrophobe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3914224A1 (fr) * | 2019-01-23 | 2021-12-01 | Coatex | Composition cosmetique nettoyante comprenant un copolymère de type ase ou hase |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3083448B1 (fr) | 2020-07-10 |
| FR3083448A1 (fr) | 2020-01-10 |
| EP3817708A1 (fr) | 2021-05-12 |
| US11826442B2 (en) | 2023-11-28 |
| KR20210031723A (ko) | 2021-03-22 |
| US20210259928A1 (en) | 2021-08-26 |
| CN112367962A (zh) | 2021-02-12 |
| BR112020025146A2 (pt) | 2021-03-09 |
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