WO2013068968A2 - Composition cosmétique comprenant un alpha-alcoxysilane obtenu à partir d'un époxide - Google Patents

Composition cosmétique comprenant un alpha-alcoxysilane obtenu à partir d'un époxide Download PDF

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WO2013068968A2
WO2013068968A2 PCT/IB2012/056279 IB2012056279W WO2013068968A2 WO 2013068968 A2 WO2013068968 A2 WO 2013068968A2 IB 2012056279 W IB2012056279 W IB 2012056279W WO 2013068968 A2 WO2013068968 A2 WO 2013068968A2
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group
composition
composition according
alkyl
hydrogen atom
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PCT/IB2012/056279
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English (en)
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WO2013068968A3 (fr
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Guillaume Kergosien
Alain Lagrange
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L'oreal
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
    • A61K8/585—Organosilicon compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/02—Nail coatings
    • 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
    • A61K2800/94—Involves covalent bonding to the substrate

Definitions

  • a subject of the present invention is a cosmetic composition of sol/gel type for making up and/or caring for keratin materials.
  • compositions form films after application to keratin materials. After drying, a hybrid material is in fact formed by polycondensation and crosslinking at the nano metric scale.
  • patent application WO 98/44906 discloses a cosmetic or dermato logical composition suitable for forming a coating on keratin materials via a reaction of sol/gel type obtained by mixing (A) at least one organometallic compound with (B) at least one functionalized organic polymer or at least one functionalized silicone polymer other than the first compound, and (C) an amount of water sufficient to hydrolyse the organometallic compound.
  • compositions using sol/gel reactions that allow stability properties before they are applied to keratin materials in addition to good reactivity, and that also allow long remanence after application.
  • the coat of the composition deposited on the keratin materials may, if the reaction takes place slowly and if it does not dry quickly, prove to be tacky after its application and/or to be degraded on contact with foreign bodies, for instance a glass, a cigarette, an item of clothing or the skin, which will be an inconvenience to users.
  • alpha-alkoxysilanes obtained from epoxides and comprising, in the position alpha to the alkoxysilane, an amine function or an ether function.
  • the subject of the present invention is a cosmetic composition, particular a composition for making up and/or caring for keratin materials, preferably nail makeup, comprising the compound of chemical formula (I) below:
  • n an integer between 1 and 8;
  • X represents an oxygen atom or a nitrogen atom substituted with a group Rl ;
  • Rl represents a hydrogen atom or a group (Ci-C 2 o)alkyl or alternatively an aryl group;
  • R2 and R3 independently represent an ethoxy group or a group (Ci-C 2 o)alkyl optionally substituted with an amino group;
  • Y represents a polyether or a polyester or a polyurethane or a polyurea, or alternatively a hydrocarbon-based group comprising from 2 to 1500 carbon atoms,
  • the said hydrocarbon-based group possibly being a saturated linear or branched monovalent or multivalent group, optionally bearing one or more aromatic or non-aromatic rings,
  • one or more of the said carbon atoms possibly being independently replaced with an oxygen atom.
  • keratin materials denotes the skin, the lips and/or integuments such as the nails and keratin fibres, for example the eyelashes, the eyebrows and the hair;
  • alkoxysilane denotes a compound comprising at least one silicon atom bearing at least one alkoxy group
  • - "property of stability before application” denotes the ability to remain in liquid form, i.e. not to gel, before application to the keratin materials
  • - "hydrocarbon-based group” denotes a saturated linear or branched monovalent or multivalent group containing carbon and hydrogen atoms, optionally bearing one or more aromatic or non-aromatic cyclic groups, bearing from 2 to 1500 carbon atoms;
  • (C x -Cy)alkyl denotes a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group comprising from x to y carbon atoms. Mention may be made in particular of cyclohexyl and methyl groups;
  • aryl denotes an aromatic bearing from 6 to 20 carbon atoms. Mention may in particular be made of the phenyl group;
  • amino denotes the group having the following formula: -NH 2
  • ester denotes the group of the following formula: -RC(0)OR'- in which R and R' represent alkyl or alkylene groups;
  • ether function denotes the following function: -ROR- in which R and R' represent alkyl or alkylene groups;
  • polyether denotes a polymer containing from 2 to 1000 repeating units, the said repeating units containing the ether function;
  • polyester denotes a polymer containing from 2 to 1000 repeating units, the said repeating units containing the ester function;
  • polyurea denotes a group having the following formula:
  • R represents a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 50 and especially from 1 to 20 carbon atoms
  • R represents a linear, branched or cyclic, saturated or unsaturated hydrocarbon- based group, comprising from 1 to 50 and especially from 1 to 20 carbon atoms
  • R" represents a hydrogen atom or a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group comprising from 1 to 20 carbon atoms
  • n represents an integer between 1 and 10;
  • polyurethane denotes a group having the following formula: in which R represents a polyether group, a polyester group, or a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 50 and especially from 1 to 20 carbon atoms, R represents a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 50 and especially from 1 to 20 carbon atoms, and n represents an integer between 1 and 10;
  • (Ci-C3)aminoalkyl denotes a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group comprising from 1 to 3 carbon atoms, one of the carbon atoms being substituted with a group -NH 2 ;
  • the compound of formula (I) according to the invention may be obtained by reaction between an alpha-amino ethoxysilane and an organic compound containing at least one epoxy function.
  • the starting materials are either commercially available or obtained according to methods known to those skilled in the art.
  • alpha-amino ethoxysilanes examples that may be mentioned include (N-cyclohexylaminomethyl)triethoxysilane sold by Gelest under the name SIC2464.2 and (N-cyclohexylaminomethyl)methyldiethoxysilane sold by Aber under the name AB 152160.
  • organic compounds containing at least one epoxy function examples that may be mentioned include the glycidyl ether of propoxylated glycerol sold by 3B Scientific under the name 3B3-065465®.
  • the invention also relates to a cosmetic process, in particular a makeup or hair shaping process, preferably a process for making up keratin materials, in particular the nails and/or the hair, comprising at least one step which consists in applying the cosmetic composition according to the invention to keratin materials.
  • a cosmetic composition according to the present invention is liquid.
  • liquid composition means a composition which has a particular viscosity at room temperature, i.e. at 20°C.
  • a liquid composition has, at 20°C, a viscosity ranging from 0.001 to 20 Pa/s, preferably from 0.01 to 10 Pa/s and even more preferably from 0.1 to 2 Pa/s.
  • the viscosity measurement may be carried out at 20°C using a Rheomat RM180 viscometer equipped with a No. 4 rotor, the measurement being performed after 10 minutes of rotation of the rotor in the composition (after which time stabilization of the viscosity and of the spin speed are observed), at a shear rate of 200 s "1 .
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which Y represents a polyether or alternatively Y is as defined previously and comprises at least one ether function.
  • a subject of the present invention is a composition
  • Y represents a polyurea, a polyurethane or a group Y chosen from one of the groups of formulae (II) to (IX) below:
  • a is between 1 and 20, and is preferably equal to 5,
  • R4, R5, R6 and R7 independently represent a hydrogen atom or a group (Ci-C 2 o)alkyl, preferably a methyl, and preferably R4, R5, R6 and R7 are hydrogen atoms;
  • b is between 1 and 20 and is preferably between 2 and 4,
  • R8 and R9 independently represent a hydrogen atom or a group (Ci-Cio)alkyl, preferably a methyl;
  • c, d and e are independently between 0 and 10 and preferably between 0 and 3,
  • RIO, Rl 1 , R12, R13, R14 and R15 independently represent a hydrogen atom or a (Ci-Cio)alkyl, preferably a hydrogen or a methyl;
  • f, g and h are independently between 0 and 10 and preferably between 0 and 3, R16, R17, R18, R19, R20 and R21 independently represent a hydrogen atom or a (Ci-Cio)alkyl, preferably a methyl; in which:
  • i, j, k and 1 are independently between 0 and 10 and preferably between 0 and 3, R22, R23, R24, R25, R26, R27, R28 and R29 independently represent a hydrogen atom or a group (Ci-Cio)alkyl, preferably a methyl;
  • o, p, q and r are independently between 0 and 10 and preferably between 0 and 3, R30, R31 , R32, R33, R34, R35, R36 and R37 independently represent a hydrogen atom or a group (Ci-CiO)alkyl, preferably a methyl;
  • R38, R39, R40, R41 , R42, R43, R44, R45, R46, R47, R48 and R49 independently represent a hydrogen atom or a group (Ci-Cio)alkyl, preferably a methyl;
  • R50, R51 , R52, R53, R54 and R55 independently represent a hydrogen atom or a group (Ci-Cio)alkyl, preferably a methyl.
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which Y has a molar mass of less than 3000 g/mol, preferably less than 1500 g/mol and preferentially less than 1000 g/mol.
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which n is between 2 and 4.
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which Rl represents a cyclohexyl or phenyl group or a hydrogen atom.
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which R2 and R3 independently represent a methyl group, a group (Ci-C3)aminoalkyl, or an ethoxy group.
  • a subject of the present invention is a composition comprising the compound of chemical formula (I) for which Y is represented by formula (IV) as defined previously.
  • a subject of the present invention is a cosmetic composition comprising the compound of chemical formula (I) in a content of greater than or equal to 20% by weight and preferably greater than 50% by weight relative to the total weight of the composition.
  • composition according to the invention is preferably anhydrous.
  • anhydrous refers to a composition comprising a content of less than or equal to 0.5% by weight of water relative to the total weight of the composition.
  • anhydrous especially means that water is preferably not deliberately added to the compositions, but may be present in trace amount in the various compounds used in the compositions.
  • the composition according to the invention has a solids content of greater than or equal to 20% and preferably greater than 50%.
  • solids content denotes the content of non-volatile matter after film-forming.
  • the solids content (abbreviated as SC) of a composition according to the invention is measured using a "Halogen Moisture Analyzer HR83" commercial halogen desiccator from Mettler Toledo. The measurement is performed on the basis of the weight loss of a sample dried by halogen heating, and thus represents the percentage of residual matter once the water and the volatile matter have evaporated off.
  • the measuring protocol is as follows:
  • sample Approximately 2 g of the composition, referred to hereinbelow as the sample, are spread out on a metal crucible, which is placed in the halogen desiccator mentioned above. The sample is then subjected to a temperature of 120°C for 1 hour. The wet mass of the sample, corresponding to its initial mass, and the dry mass of the sample, corresponding to its mass after halogen heating, are measured using a precision balance. The values measured by means of the protocol described above may differ from the corresponding theoretical values by plus or minus 1%.
  • the solids content is calculated in the following manner:
  • composition according to the present invention also comprises at least one other compound comprising at least one alkoxysilane group.
  • compound comprising at least one alkoxysilane group preferably denotes a compound of formula Si(OR 2 ) 4 or of formula R 1 x Si(OR 2 ) (4 _ x) or of formula [R'y (OR 2 )z SiO(( 4 _y_ z )/2)]n in which:
  • R 1 represents, independently, a nucleophilic group other than a silanol, or a group (Ci-C 2 o)alkyl, optionally substituted with at least one nucleophilic group other than a silanol,
  • R 2 represents, independently, a hydrogen atom or a group (Ci-Cio)alkyl
  • n represents an integer between 2 and 1000.
  • the composition according to the present invention also comprises at least one polar volatile solvent.
  • polar volatile solvent denotes, in the present invention, a compound which is liquid at ambient temperature, which comprises at least one polar group such as a hydroxyl, ester, ketone, ether or aldehyde group, and which has a vapour pressure greater than 1 mbar at 20°C.
  • the polar volatile solvents are chosen from C3-C4 ketones, preferentially acetone, and C 2 -C 4 short- chain esters, preferentially ethyl acetate, and mixtures thereof.
  • the composition according to the invention may also comprise at least one film-forming polymer.
  • a film-forming polymer may advantageously be present in the composition.
  • film-forming polymer denotes a polymer that is capable, by itself or in the presence of an auxiliary film- forming agent, of forming an isolable and especially continuous and adherent film, on a support.
  • This support may especially be the nails.
  • a single film-forming polymer or a mixture of film-forming polymers may be used in the composition.
  • This film- forming polymer may be chosen from the group formed by synthetic polymers of radical type or of polycondensate type, and polymers of natural origin, and mixtures thereof.
  • film-forming polymers that are soluble or dispersible in an organic solvent may be used.
  • a film-forming polymer that is suitable for use in the invention may be chosen in particular from:
  • polysaccharides include cellulose esters and ethers, such as nitrocellulose, cellulose acetate, cellulose acetobutyrate, cellulose acetopropionate and ethylcellulose, or alternatively optionally modified guar gum, such as ethylguar;
  • - synthetic polymers such as polyurethanes, acrylic polymers, vinyl polymers, polyvinyl butyrals, alkyd resins and ketone/aldehyde resins, resins derived from aldehyde condensation products, such as arylsulfonamide-formaldehyde resins, for instance toluenesulfonamide-formaldehyde resin, arylsulfonamide-epoxy resins or ethyl tosylamide resins; - polymers of natural origin, such as plant resins, such as dammar resins, elemi gums, copal resins, and benzoin; gums such as shellac, sandarac gum and gum mastic.
  • arylsulfonamide-formaldehyde resins for instance toluenesulfonamide-formaldehyde resin, arylsulfonamide-epoxy resins or ethyl tosylamide resin
  • toluenesulfonamide/formaldehyde resins Ketjentflex MS80 from Akzo or Santolite MHP or Santolite MS 80 from Faconnier or Resimpol 80 from Pan Americana, the alkyd resin Beckosol ODE 230-70-E from Dainippon, the acrylic resin Acryloid B66 from Rohm & Haas, the polyurethane resin Trixene PR 4127 from Baxenden or the acetophenone/formaldehyde resin sold under the reference Synthetic Resin SK by Degussa.
  • Ketjentflex MS80 from Akzo or Santolite MHP or Santolite MS 80 from Faconnier or Resimpol 80 from Pan Americana
  • the alkyd resin Beckosol ODE 230-70-E from Dainippon
  • acrylic resin Acryloid B66 from Rohm & Haas
  • the polyurethane resin Trixene PR 4127 from Baxenden
  • the film-forming polymer is chosen from polysaccharides or polysaccharide derivatives, preferably from nitrocellulose, and cellulose ethers and esters.
  • the content of film- forming polymer may range from 0.1% to 30%) by weight, especially from 0.5%> to 20%> by weight and in particular from 1% to 10%> by weight relative to the total weight of the composition.
  • the composition according to the invention comprises as film-forming polymer at least cellulose derivatives, polyesters or polyurethanes.
  • the composition according to the invention comprises at least one plasticizer.
  • plasticizers such as:
  • glycols containing from 2 to 8 carbon atoms such as glycerol, propylene glycol, 1,3-butylene glycol and dipropylene glycol,
  • glycol derivatives such as diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether or diethylene glycol hexyl ether, ethylene glycol ethyl ether, ethylene glycol butyl ether and ethylene glycol hexyl ether,
  • propylene glycol derivatives and in particular propylene glycol phenyl ether, propylene glycol diacetate, dipropylene glycol butyl ether, tripropylene glycol butyl ether, propylene glycol methyl ether, dipropylene glycol ethyl ether, tripropylene glycol methyl ether, diethylene glycol methyl ether and propylene glycol butyl ether,
  • - fatty alcohols that are liquid at ambient temperature, with a branched and/or unsaturated carbon-based chain containing from 12 to 26 carbon atoms, for instance 2- octyldodecanol, isostearyl alcohol, oleyl alcohol, 2-hexyldecanol, 2-butyloctanol and 2- undecylpentadecano 1,
  • esters of acids in particular carboxylic acids, such as the monoesters of formula R 1 COOR 2 in which Ri represents the residue of a linear or branched acid comprising from 1 to 40 carbon atoms and R 2 represents a hydrocarbon-based chain, which is in particular branched, containing from 1 to 40 carbon atoms, provided that Ri + R 2 > 10, triglycerides consisting of fatty acid esters glycerol, the fatty acids of which can have varied chain lengths from C 4 to C 24 , citrates, in particular triethyl citrate, tributyl citrate, triethyl acetylcitrate, tributyl acetylcitrate, 2-triethylhexyl acetylcitrate; phthalates, in particular diethyl phthalate, dibutyl phthalate, dioctyl phthalate, dipentyl phthalate, dimethoxyethyl phthalate; trimellitate
  • oxyethylenated derivatives such as oxyethylenated oils, in particular vegetable oils such as castor oil,
  • silicone oils that may be used in the composition may be non-volatile polydimethylsiloxanes (PDMSs), polydimethylsiloxanes comprising alkyl or alkoxy groups that are pendent and/or at the end of a silicone chain, these groups each containing from 2 to 24 carbon atoms, phenyl silicones, for instance phenyl trimethicones, phenyl dimethicones, phenyltrimethylsiloxydiphenylsiloxanes, diphenyl dimethicones, diphenylmethyldiphenyltrisiloxanes and 2-phenylethyl trimethylsiloxysilicates, and dimethicones or phenyl trimethicones with a viscosity of less than or equal to 100 cSt, and mixtures thereof,
  • PDMSs non-volatile polydimethylsiloxanes
  • polydimethylsiloxanes comprising alkyl or alkoxy groups that are
  • plasticizer The type and amount of plasticizer may be chosen by a person skilled in the art on the basis of his general knowledge.
  • the plasticizer content may range from 0.01% to 10% and in particular from 1% to 5% by weight relative to the total weight of the composition.
  • the composition according to the invention comprises as plasticizer at least one fatty alcohol, or a carboxylic acid ester or polyester.
  • composition according to the invention preferably comprises at least one wax.
  • the wax(es) under consideration in the context of the present invention are generally a lipophilic compound that is solid at room temperature (25°C), with a solid/liquid reversible change of state, having a melting point of greater than or equal to 30°C, which may be up to 200°C and in particular up to 120°C.
  • the waxes that are suitable for the invention may have a melting point of greater than or equal to 45°C and in particular of greater than or equal to 55°C.
  • the melting point corresponds to the temperature of the most endothermic peak observed on thermal analysis (DSC) as described in standard ISO 11357-3; 1999.
  • the melting point of the wax may be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name DSC Q2000 by the company TA Instruments.
  • DSC differential scanning calorimeter
  • the waxes have a heat of fusion AHf of greater than or equal to 70
  • the waxes comprise at least one crystallizable part, which is visible by X-ray observation.
  • the measuring protocol is as follows:
  • a sample of 5 mg of wax placed in a crucible is subjected to a first temperature rise ranging from -20°C to 120°C, at a heating rate of 10°C/minute, is then cooled from 120°C to -20°C at a cooling rate of 10°C/minute and is finally subjected to a second temperature rise ranging from -20°C to 120°C at a heating rate of 5°C/minute.
  • a first temperature rise ranging from -20°C to 120°C, at a heating rate of 10°C/minute
  • a second temperature rise ranging from -20°C to 120°C at a heating rate of 5°C/minute.
  • the waxes that may be used in the composition according to the invention are chosen from waxes that are solid at room temperature, of animal, plant, mineral or synthetic origin, and mixtures thereof.
  • waxes that are suitable for the invention, mention may be made especially of hydrocarbon-based waxes, for instance beeswax, lanolin wax, Chinese insect waxes, rice bran wax, carnauba wax, candelilla wax, ouricury wax, esparto grass wax, berry wax, shellac wax, Japan wax and sumach wax; montan wax, orange wax and lemon wax, microcrystalline waxes, paraffins and ozokerite; polyethylene waxes, the waxes obtained by Fischer-Tropsch synthesis and waxy copolymers, and also esters thereof.
  • hydrocarbon-based waxes for instance beeswax, lanolin wax, Chinese insect waxes, rice bran wax, carnauba wax, candelilla wax, ouricury wax, esparto grass wax, berry wax, shellac wax, Japan wax and sumach wax; montan wax, orange wax and lemon wax, microcrystalline waxes, paraffins and ozokerite; polyethylene waxe
  • isomerized jojoba oil such as the trans-isomerized partially hydrogenated jojoba oil manufactured or sold by the company Desert Whale under the trade reference Iso-Jojoba-50 ® , hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil, hydrogenated lanolin oil, and the bis( 1,1,1 - trimethylolpropane) tetrastearate sold under the name Hest 2T-4S ® by the company Heterene.
  • Mention may also be made of silicone waxes (C30-45 alkyl dimethicone) and fluoro waxes.
  • waxes obtained by hydrogenation of castor oil esterified with cetyl alcohol sold under the names Phytowax ricin 16L64® and 22L73® by the company Sophim, may also be used. Such waxes are described in Application FR-A-2 792 190.
  • a wax that may be used is a C20-C40 alkyl (hydroxystearyloxy)stearate (the alkyl group containing from 20 to 40 carbon atoms), alone or as a mixture.
  • Such a wax is especially sold under the names Kester Wax K 82 P®, Hydroxypolyester K 82 P® and Kester Wax K 80 P® by the company Koster Keunen.
  • microwaxes that may be used, mention may be made especially of carnauba microwaxes, such as the product sold under the name MicroCare 350® by the company Micro Powders, synthetic microwaxes, such as the product sold under the name MicroEase 114S® by the company Micro Powders, microwaxes consisting of a mixture of carnauba wax and polyethylene wax, such as the products sold under the names Micro Care 300® and 310® by the company Micro Powders, microwaxes consisting of a mixture of carnauba wax and of synthetic wax, such as the product sold under the name Micro Care 325® by the company Micro Powders, polyethylene microwaxes, such as the products sold under the names Micropoly 200®, 220®, 220L® and 250S® by the company Micro Powders, and polytetrafluoroethylene microwaxes, such as the products sold under the names Microslip 519® and 519 L® by the company Micro Powders.
  • synthetic microwaxes such as the product sold under the name
  • the composition according to the invention may comprise at least one hydrocarbon-based wax, preferably chosen from polyethylene waxes, microcrystalline waxes and ozokerite, and mixtures thereof.
  • the first composition according to the invention comprises at least one polyethylene wax.
  • the composition according to the invention comprises a content of wax(es) ranging from 0.1% to 40% by weight relative to the total weight of the composition; it may in particular contain from 0.5% to 20% and more particularly from l% to 10% thereof.
  • composition according to the invention may also comprise at least one pasty fatty substance.
  • pasty fatty substance means a lipophilic fatty compound with a reversible solid/liquid change of state, comprising at a temperature of 23°C a liquid fraction and a solid fraction.
  • the starting melting point of the pasty compound can be less than 23°C.
  • the liquid fraction of the pasty compound measured at 23°C can represent 9% to 97% by weight of the compound. This liquid fraction at 23°C preferably represents between 15% and 85% and more preferably between 40% and 85% by weight.
  • the pasty fatty substances have an end melting point of less than
  • the pasty fatty substances have a hardness of less than or equal to 6
  • the pasty fatty substances have, in the solid state, an anisotropic crystal organization, which is visible by X-ray observation.
  • the melting point corresponds to the temperature of the most endothermic peak observed on thermal analysis (DSC) as described in Standard ISO 11357-3; 1999.
  • the melting point of a pasty substance or of a wax may be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name DSC Q2000 by the company TA Instruments.
  • DSC differential scanning calorimeter
  • sample preparation and measurement protocols are as follows:
  • the measurements are performed on the abovementioned calorimeter.
  • the oven is flushed with nitrogen. Cooling is performed by an RCS 90 heat exchanger.
  • the sample is then subjected to the following protocol: it is first placed at a temperature of 20°C, and then subjected to a first temperature rise passing from 20°C to 80°C, at a heating rate of 5°C/minute, then is cooled from 80°C to -80°C at a cooling rate of 5°C/minute and finally subjected to a second temperature rise passing from -80°C to 80°C at a heating rate of 5°C/minute.
  • the variation in the difference between the power absorbed by the empty crucible and the crucible containing the sample of paste or wax as a function of the temperature is measured.
  • the melting point of the compound is the value of the temperature corresponding to the top of the peak of the curve representing the variation in the difference in power absorbed as a function of the temperature.
  • the end melting point corresponds to the temperature at which 95% of the sample has melted.
  • the liquid fraction by weight of the pasty compound at 23°C is equal to the ratio of the heat of fusion consumed at 23°C to the heat of fusion of the pasty compound.
  • the heat of fusion of the pasty compound is the heat consumed by the compound in order to pass from the solid state to the liquid state.
  • the pasty compound is said to be in the solid state when all of its mass is in crystalline solid form.
  • the pasty compound is said to be in the liquid state when all of its mass is in liquid form.
  • the heat of fusion of the pasty compound is equal to the integral of the entire melting curve obtained using the abovementioned colorimeter, with a temperature rise of 5 or 10°C/minute, according to standard ISO 1 1357-3 : 1999.
  • the heat of fusion of the pasty compound is the amount of energy required to make the compound change from the solid state to the liquid state. It is expressed in J/g.
  • the enthalpy of fusion consumed at 23 °C is the amount of energy absorbed by the sample to change from the solid state to the state that it has at 23°C, composed of a liquid fraction and a solid fraction.
  • the liquid fraction of the pasty compound measured at 32°C preferably represents from 30% to 100% by weight of the compound, preferably from 50%> to 100%, more preferably from 60% to 100% by weight of the compound.
  • the temperature of the end of the melting range of the pasty compound is less than or equal to 32°C.
  • the liquid fraction of the pasty compound measured at 32°C is equal to the ratio of the heat of fusion consumed at 32°C to the heat of fusion of the pasty compound.
  • the enthalpy of fusion consumed at 32°C is calculated in the same way as the enthalpy of fusion consumed at 23°C.
  • sample preparation and measurement protocols are as follows:
  • the pasty fatty substance is placed in a mould 75 mm in diameter, which is filled to about 75% of its height.
  • the mould is placed in a Votsch VC 0018 programmable oven, where it is first placed at a temperature of 80°C for 60 minutes, then cooled from 80°C to 0°C at a cooling rate of 5°C/minute, and then left at the stabilized temperature of 0°C for 60 minutes, and then subjected to a temperature rise ranging from 0°C to 20°C at a heating rate of 5°C/minute, and then left at the stabilized temperature of 20°C for 180 minutes.
  • the compression force measurement is taken using a ⁇ / ⁇ 2 ⁇ texturometer from Swantech.
  • the spindle used is chosen according to the texture:
  • the measurement comprises three steps: a first step after automatic detection of the surface of the sample, where the spindle moves at a measuring speed of 0.1 mm/s, and penetrates into the pasty fatty substance to a penetration depth of 0.3 mm, the software notes the maximum force value reached; a second “relaxation” step where the spindle remains at this position for one second and the force is noted after 1 second of relaxation; finally, a third “withdrawal” step in which the spindle returns to its initial position at a speed of 1 mm/s, and the probe withdrawal energy (negative force) is noted.
  • the hardness value measured during the first step corresponds to the maximum compression force measured in newtons divided by the area of the texturometer cylinder expressed in mm 2 in contact with the pasty fatty substance.
  • the hardness value obtained is expressed in megapascals or MPa.
  • the pasty fatty compound may preferably be chosen from synthetic compounds and compounds of plant origin.
  • a pasty fatty substance may be obtained by synthesis from starting materials of plant origin.
  • lanolin and derivatives thereof, such as lanolin alcohol, oxyethylenated lanolins, acetylated lanolin, lanolin esters such as isopropyl lanolate, and oxypropylenated lanolins,
  • polydimethylsiloxanes of high molecular masses for instance polydimethylsiloxanes of high molecular masses, polydimethylsiloxanes containing side chains of the alkyl or alkoxy type containing from 8 to 24 carbon atoms, especially stearyl dimethicones,
  • the pasty fatty substance may be a polymer, especially a hydrocarbon-based polymer.
  • the liposoluble polyethers mention may be made especially of copolymers of ethylene oxide and/or of propylene oxide with C6-C30 alkylene oxides.
  • the weight ratio of the ethylene oxide and/or propylene oxide to the alkylene oxides in the copolymer is from 5/95 to 70/30.
  • block copolymers comprising C6-C30 alkylene oxide blocks with a molecular weight ranging from 1000 to 10 000, for example a polyoxyethylene/polydodecylene glycol block copolymer such as the ethers of dodecanediol (22 mol) and of polyethylene glycol (45 oxyethylene or OE units) sold under the brand name Elfacos ST9 by Akzo Nobel.
  • a polyoxyethylene/polydodecylene glycol block copolymer such as the ethers of dodecanediol (22 mol) and of polyethylene glycol (45 oxyethylene or OE units) sold under the brand name Elfacos ST9 by Akzo Nobel.
  • esters the following are especially preferred:
  • - esters of a glycerol oligomer especially diglycerol esters, in particular condensates of adipic acid and of glycerol, for which some of the hydroxyl groups of the glycerols have reacted with a mixture of fatty acids such as stearic acid, capric acid, stearic acid and isostearic acid, and 12-hydroxystearic acid, especially such as those sold under the brand name Softisan 649 by the company Sasol;
  • a diacid dimer formed from at least one C18-40 unsaturated fatty acid such as the ester of a dimer of fatty acids and of tall oil comprising 36 carbon atoms and of a mixture i) of Guerbet alcohols comprising 32 carbon atoms and ii) of behenyl alcohol; the ester of a dimer of linoleic acid and of a mixture of two Guerbet alcohols, 2-tetradecyloctadecanol (32 carbon atoms) and 2-hexadecyleicosanol (36 carbon atoms);
  • a Guerbet alcohol is the reaction product of the Guerbet reaction, which is well known to those skilled in the art. It is a reaction for transforming a primary aliphatic alcohol into its ⁇ -alkyl dimeric alcohol with loss of one equivalent of water.
  • the composition according to the invention is free of pasty fatty substances.
  • the composition according to the invention comprises at least one pasty fatty substance.
  • the pasty fatty substance(s) may be present in an amount ranging from 0.1% to 40% by weight and especially from 1% to 20% by weight relative to the total weight of the composition.
  • a composition according to the invention may comprise a pulverulent phase.
  • the content of the said pulverulent phase may be between 0.01% and 40% by weight, in particular between 0.1% and 30% by weight and more particularly between 0.1% and 20% by weight relative to the total weight of the composition.
  • the pulverulent phase may comprise at least one filler and/or at least one colouring agent.
  • fillers should be understood as meaning colourless or white, mineral or synthetic particles of any shape, which are insoluble in the medium of the composition, irrespective of the temperature at which the composition is manufactured.
  • the additional fillers may be chosen from fillers such as:
  • silica microspheres especially of open porosity or, preferably, hollow silica microspheres, such as the products Silica Beads SB 700/HA or Silica Beads SB 700 from the company Maprecos; these microspheres may be impregnated with a cosmetic active agent;
  • microporous polymer microspheres which have a structure similar to that of a sponge; they generally have a specific surface area of at least 0.5 m 2 /g and in particular of at least 1 m 2 /g, the said specific surface area having no upper limit other than that resulting from the practical possibility of making microspheres of very high porosity: the specific surface area may, for example, be up to 1000 m 2 /g or even more.
  • Microspheres that may be mentioned include acrylic polymer microspheres, such as those made of crosslinked acrylate copolymer Polytrap 6603 Adsorber from the company RP Scherer, and those made of polymethyl methacrylate Micropearl M 100 from the company SEPPIC;
  • polyurethane powder such as the powdered copolymer of hexamethylene diisocyanate and of trimethylol hexyl lactone sold under the names Plastic Powder D-400 and T-7 by the company Toshiki;
  • - polymer microcapsules that comprise a single closed cavity and form a reservoir, which may contain a liquid, especially a cosmetic active agent; they are prepared via known processes such as those described in patents US-A-3 615 972 and EP- A-056 219.
  • They may be made, for example, of polymers or copolymers of ethylenically unsaturated acid, amine or ester monomers, of urea- formaldehyde polymers or of vinylidene chloride polymers or copolymers; by way of example, mention may be made of microcapsules made of methyl acrylate or methacrylate polymers or copolymers, or alternatively of copolymers of vinylidene chloride and of acrylonitrile; among these polymers, mention will be made especially of those containing 20-60% by weight of units derived from vinylidene chloride, 20-60% by weight of units derived from acrylonitrile and 0-40% by weight of other units such as units derived from an acrylic and/or styrene monomer; crosslinked acrylic polymers or copolymers may also be used;
  • metal soaps in powder form are especially of metal soaps of fatty acids containing from 12 to 22 carbon atoms and in particular those containing from 12 to 18 carbon atoms.
  • the metal of the metal soap may especially be zinc or magnesium.
  • the fatty acid may be chosen especially from lauric acid, myristic acid, stearic acid and palmitic acid.
  • the metal soaps that may be used include zinc laurate, magnesium stearate, magnesium myristate and zinc stearate, and mixtures thereof;
  • - talcs or hydrated magnesium silicates especially in the form of particles generally less than 40 ⁇ in size;
  • micas or aluminosilicates of varied composition that are especially in the form of flakes from 2 to 200 ⁇ and preferably 5-70 ⁇ in size and from 0.1 to 5 ⁇ and preferably 0.2-3 ⁇ in thickness, these micas possibly being of natural origin (for example muscovite, margarite, roscoelite, lepidolite or biotite) or of synthetic origin;
  • non-expanded synthetic polymers such as polyethylene, polyesters (for example polyethylene isophthalate or terephthalate) and polyamides (for example Nylon), in the form of particles less than 50 ⁇ in size;
  • polyamide powders such as poly-P-alanine powder or Nylon powder, for example Orgasol powder from the company Atochem, polyacrylic acid or polymethacrylic acid powder, powders of polystyrene crosslinked with divinylbenzene, and silicone resin powders, and
  • - powders of organic materials of natural origin for instance starches, especially corn starch, wheat starch or rice starch;
  • a composition according to the invention is advantageously totally free of filler with a refractive index of greater than 1.8.
  • the additional fillers may be present in the composition in a content ranging from 0.01% to 20% by weight and preferably ranging from 0.1% to 5% by weight relative to the total weight of the composition.
  • a composition according to the invention may contain as filler a polyurethane powder and/or mica.
  • a composition according to the invention may comprise a total content of fillers ranging from 0.01% to 20% by weight, preferably ranging from 0.1% to 10% by weight and preferentially ranging from 0.1% to 5% by weight, relative to the total weight of the composition.
  • composition according to the invention may also comprise, in its pulverulent phase, at least one colouring agent.
  • the said at least one colouring agent or dyestuff according to the invention preferably comprises pigments, nacres, reflective particles, colorants that are soluble in polar solvents, and/or mixtures thereof.
  • the composition according to the present invention is characterized in that the said at least one colouring agent is present in a content ranging from 0.01% to 10% by weight, in particular from 0.1% to 5% by weight and more preferentially from 0.5% to 2% by weight relative to the total weight of the composition; preferably, the said at least one colouring agent comprises at least one pigment, which is preferentially organic.
  • pigments should be understood as meaning white or coloured, mineral or organic particles of any form, which are insoluble in the physiological medium and are intended to colour the composition.
  • the pigments may be white or coloured, and mineral and/or organic.
  • mineral pigments that may be mentioned are titanium dioxide, optionally surface-treated, zirconium oxide or cerium oxide, and also zinc oxide, iron (black, yellow or red) oxide or chromium oxide, manganese violet, ultramarine blue, chromium hydrate and ferric blue, and metal powders, for instance aluminium powder and copper powder.
  • the organic pigments may be chosen from the materials below, and mixtures thereof:
  • D&C certified pigments known under the following names: D&C Blue No. 4, D&C Brown No. 1, D&C Green No. 5, D&C Green No. 6, D&C Orange No. 4, D&C Orange No. 5, D&C Orange No. 10, D&C Orange No. 11, D&C Red No. 6, D&C Red No. 7, D&C Red No. 17, D&C Red No. 21, D&C Red No. 22, D&C Red No. 27, D&C Red No. 28, D&C Red No. 30, D&C Red No. 31, D&C Red No. 33, D&C Red No. 34, D&C Red No. 36, D&C Violet No. 2, D&C Yellow No. 7, D&C Yellow No. 8, D&C Yellow No. 10, D&C Yellow No. 11, FD&C Blue No. 1, FD&C Green No. 3, FD&C Red No. 40, FD&C Yellow No. 5, FD&C Yellow No. 6.
  • the pigments may be treated or coated with a treatment agent.
  • the treatment agent may be chosen from alkoxysilanes, silicones such as methicones, dimethicones, and perfluoroalkylsilanes; fatty acids such as stearic acid; metal soaps such as aluminium dimyristate, the aluminium salt of hydrogenated tallow glutamate, perfluoroalkyl phosphates, perfluoroalkylsilanes, perfluoroalkylsilazanes, polyhexafluoropropylene oxides, polyorganosiloxanes comprising perfluoroalkyl perfluoropolyether groups, amino acids, N-acylamino acids or salts thereof; lecithin, isopropyl triisostearyl titanate, and mixtures thereof.
  • silicones such as methicones, dimethicones, and perfluoroalkylsilanes
  • fatty acids such as stearic acid
  • metal soaps such as aluminium dimyristate, the aluminium
  • the N-acylamino acids may comprise an acyl group containing from 8 to 22 carbon atoms, for instance a 2-ethylhexanoyl, caproyl, lauroyl, myristoyl, palmitoyl, stearoyl or cocoyl group.
  • the salts of these compounds may be the aluminium, magnesium, calcium, zirconium, zinc, sodium or potassium salts.
  • the amino acid may be, for example, lysine, glutamic acid or alanine.
  • a composition according to the invention may comprise a total content of pigments ranging from 0.01% to 70% by weight, preferably ranging from 0.1% to 50% by weight and preferentially ranging from 0.01% to 40% by weight, relative to the total weight of the composition.
  • a pigment content ranging from 0.01% to 40% by weight, preferably from 0.1% to 30% by weight and in particular from 0.1% to 20% by weight relative to the total weight of the said composition will generally be used.
  • composition according to the invention may be free of pigments.
  • the pulverulent phase according to the invention may also comprise, or may even be formed from, nacres and/or reflective particles.
  • nacre should be understood as meaning coloured particles of any form, which may or may not be iridescent, especially produced by certain molluscs in their shell, or alternatively synthesized, and which have a colour effect via optical interference.
  • nacres examples include nacreous pigments such as titanium mica coated with an iron oxide, mica coated with bismuth oxychloride, titanium mica coated with chromium oxide, and nacreous pigments based on bismuth oxychloride. They may also be mica particles at the surface of which are superposed at least two successive layers of metal oxides and/or of organic dyestuffs.
  • the nacres may more particularly have a yellow, pink, red, bronze, orangey, brown, gold and/or coppery colour or glint.
  • nacres that may be introduced into the composition
  • particles comprising a borosilicate substrate coated with titanium oxide.
  • Particles having a glass substrate coated with titanium oxide are especially sold under the name Metashine MC1080RY by the company Toyal.
  • nacres examples include polyethylene terephthalate flakes, especially those sold by the company Meadowbrook Inventions under the name Silver IP 0.004X0.004 (silver flakes).
  • compositions according to the invention may comprise from 0 to 40%, for example 0.1% to 20% and better still 0.5% to 10% by weight of nacres. More preferentially, they contain less than 40% by weight of nacres. According to one particular embodiment, the composition according to the invention is free of nacres. Finally, the colouring agent according to the invention may comprise reflective particles.
  • reflective particles denotes particles whose size, structure, especially the thickness of the layer(s) of which they are made and their physical and chemical nature, and surface state, allow them to reflect incident light. This reflection may, where appropriate, have an intensity sufficient to create at the surface of the composition or of the mixture, when it is applied to the support to be made up, points of overbrightness that are visible to the naked eye, i.e. more luminous points that contrast with their environment by appearing to sparkle.
  • the reflective particles may be selected so as not to significantly alter the colouration effect generated by the colouring agents with which they are combined, and more particularly so as to optimize this effect in terms of colour yield. They may more particularly have a yellow, pink, red, bronze, orange, brown, gold and/or coppery colour or tint.
  • These particles may have varied forms and may especially be in platelet or globular form, in particular in spherical form.
  • the reflective particles may or may not have a multilayer structure and, in the case of a multilayer structure, may have, for example, at least one layer of uniform thickness, in particular of a reflective material.
  • the reflective particles do not have a multilayer structure, they may be composed, for example, of metal oxides, especially titanium or iron oxides obtained synthetically.
  • the reflective particles may comprise, for example, a natural or synthetic substrate, especially a synthetic substrate at least partially coated with at least one layer of a reflective material, especially of at least one metal or metallic material.
  • the substrate may be made of one or more organic and/or inorganic materials.
  • glasses More particularly, it may be chosen from glasses, ceramics, graphite, metal oxides, aluminas, silicas, silicates, especially aluminosilicates and borosilicates, and synthetic mica, and mixtures thereof, this list not being limiting.
  • the reflective material may comprise a layer of metal or of a metallic material. Reflective particles are described especially in documents JP-A-09188830, JP- A-10158450, JP-A-10158541, JP-A-07258460 and JP-A-05017710.
  • reflective particles comprising a mineral substrate coated with a layer of metal
  • Particles with a silver-coated glass substrate in the form of platelets, are sold under the name Microglass Metashine REFSX 2025 PS by the company Toyal.
  • Particles with a glass substrate coated with nickel/chromium/molybdenum alloy are sold under the name Crystal Star GF 550 and GF 2525 by this same company.
  • particles comprising a metallic substrate such as silver, aluminium, iron, chromium, nickel, molybdenum, gold, copper, zinc, tin, manganese, steel, bronze or titanium, the said substrate being coated with at least one layer of at least one metal oxide such as titanium oxide, aluminium oxide, iron oxide, cerium oxide, chromium oxide or silicon oxides, and mixtures thereof.
  • a metallic substrate such as silver, aluminium, iron, chromium, nickel, molybdenum, gold, copper, zinc, tin, manganese, steel, bronze or titanium
  • the said substrate being coated with at least one layer of at least one metal oxide such as titanium oxide, aluminium oxide, iron oxide, cerium oxide, chromium oxide or silicon oxides, and mixtures thereof.
  • Examples that may be mentioned include aluminium powder, bronze powder or copper powder coated with Si0 2 sold under the name Visionaire by the company Eckart.
  • the pulverulent phase comprises at least one compound chosen from:
  • organic pigments such as, for example:
  • mineral pigments such as:
  • nacres such as, for example: - mica coated with titanium oxide, mica coated with titanium oxide and iron oxide, and mica coated with an amino acid such as lauroyl lysine,
  • reflective particles such as, for example:
  • - particles comprising a borosilicate substrate coated with a metallic layer.
  • a composition according to the invention may also comprise water-soluble or liposoluble dyes in a content ranging from 0.01% to 10% by weight and especially ranging from 0.01% to 5% by weight relative to the total weight of the composition.
  • the liposoluble dyes are, for example, Sudan Red, DC Red 17, DC Green 6, B- carotene, soybean oil, Sudan Brown, DC Yellow 1 1, DC Violet 2, DC Orange 5 and quinoline yellow.
  • the water-soluble dyes are, for example, beetroot juice or methylene blue.
  • a composition according to the invention may be in the form of a makeup composition product such as a nail varnish, a foundation, a liquid lipstick, a mascara, an anti-wrinkle composition, a skincare composition, or a haircare composition such as a lacquer, a styling lotion or a styling spray.
  • a makeup composition product such as a nail varnish, a foundation, a liquid lipstick, a mascara, an anti-wrinkle composition, a skincare composition, or a haircare composition such as a lacquer, a styling lotion or a styling spray.
  • a composition according to the invention may be used in particular to obtain a hairstyling, hairstyle hold or fixing effect.
  • the composition may be used for finishing or construction, on dry or wet hair, and optionally with the aid of a heating device.
  • hair compositions mention may be made of those for obtaining an improvement in the remanence of compounds inserted into the fibre (for example colorants), or for holding tight on the hair a compound such as photoprotective screening agents or pigments or friction- lowering compounds.
  • a composition according to the invention may be used for resistance or beautifying purposes, for treating wounds, or for injecting or antiwrinkle purposes for filling hollow areas of the skin.
  • a composition according to the invention is more preferentially a nail varnish, the said nail varnish possibly being transparent or coloured.
  • nail varnishes mention may be made of a varnish base or a nailcare product.
  • composition according to the invention comprises a physiologically acceptable medium.
  • physiologically acceptable medium means a non-toxic medium that may be applied to human keratin materials and that has a pleasant appearance, odour and feel.
  • composition according to the present invention may be applied either by finger or by using a brush or a felt-tip pen.
  • a brush or a felt-tip pen is described, for example, in document FR 2 909 844.
  • Example 1 Compound obtained by reaction between a glycidyl ether of propoxylated glycerol and (N-cyclohexylaminomethyl)triethoxysilane
  • Glycidyl ether of propoxylated glycerol (34.5 g, 79 mmol) is added to N- cyclohexylaminomethyltriethoxysilane (65.5 g, 238 mmol) under nitrogen.
  • the mixture is heated at 80°C for 2 hours with stirring, under nitrogen.
  • the mixture is then cooled to room temperature.
  • the compound obtained is diluted to 50% under nitrogen in ethyl acetate.
  • the solution obtained is applied to a keratin material such as the skin, the nails, the hair or the eyelashes, and forms, after reaction with atmospheric moisture, a strong, adherent film.
  • Example 2 Compound obtained by reaction between a glycidyl ether of propoxylated glycerol and (N-cyclohexylaminomethynmethyldiethoxysilane
  • Glycidyl ether of propoxylated glycerol (37.1 g, 85 mmol) is added to (N- cyclohexylaminomethyl)methyldiethoxysilane (62.9 g, 256 mmol) under nitrogen.
  • the mixture is heated at 80°C for 2 hours with stirring, under nitrogen.
  • the mixture is then cooled to room temperature.
  • the compound obtained is diluted to 50% under nitrogen in ethyl acetate.
  • the solution obtained is applied to a keratin material such as the skin, the nails, the hair or the eyelashes, and forms, after reaction with atmospheric moisture, a strong, adherent film.

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Abstract

L'invention a pour objet une composition cosmétique, en particulier une composition pour le maquillage et/ou le soin des matières kératiniques, de préférence un vernis à ongles, ladite composition comprenant le composé de formule chimique (I) suivante : dans laquelle n représente un nombre entier compris entre 1 et 8, X représente un atome d'oxygène ou un atome d'azote substitué par un groupe R1; R1 représente un atome d'hydrogène ou un groupe (C1-C20)alkyle ou bien un groupe aryle; R2 et R3 représentent indépendamment un groupe éthoxy ou un groupe (C1-C20)alkyle éventuellement substitué par un groupe amino; Y représente un polyéther, ou un polyester, ou un polyuréthane, ou une polyurée, ou bien un groupe hydrocarboné comprenant de 2 à 1500 atomes de carbone. L'invention concerne également un procédé cosmétique, en particulier un procédé de maquillage ou de coiffage, de préférence un procédé de maquillage de matières kératiniques, notamment les ongles et/ou les cheveux, caractérisé en ce qu'il comprend au moins une étape qui consiste à appliquer une composition cosmétique telle que précitée sur des matières kératiniques.
PCT/IB2012/056279 2011-11-09 2012-11-09 Composition cosmétique comprenant un alpha-alcoxysilane obtenu à partir d'un époxide WO2013068968A2 (fr)

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FR1160211A FR2982158B1 (fr) 2011-11-09 2011-11-09 Composition cosmetique ou dermatologique comprenant un alpha-alcoxysilane obtenu a partir d'un epoxyde
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WO2015011259A1 (fr) * 2013-07-26 2015-01-29 L'oreal Procédé de traitement capillaire avec au moins un silicone fonctionnalisé avec au moins une unité alcoxysilane, un solvant particulier et moins de 5 % d'eau
FR3008889A1 (fr) * 2013-07-26 2015-01-30 Oreal Procede de traitement des cheveux avec au moins une silicone fonctionnalisee par au moins un motif alcoxysilane, un solvant particulier et moins de 5% d'eau
JP2016525534A (ja) * 2013-07-26 2016-08-25 ロレアル 少なくとも１種のアルコキシシラン単位で官能化された少なくとも１種のシリコーンと特定の溶媒と５％未満の水とにより毛髪をトリートメントする方法

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