Abstract: The present invention relates to a composition for washing keratinous materials, in particular hair, which comprises, in a cosmetically acceptable medium, particles essentially consisting of aluminium oxide and having a mean primary size in numerical terms of less than 200 nm, at least one conditioning agent chosen from cationic surfactants, cationic polymers, silicones, vegetable oils, ceramides, anionic polymers, amphoteric polymers and mixtures thereof, and at least one detergent surfactant, these compositions not simultaneously containing an anionic surfactant and an amphoteric or nonionic surfactant. The invention also relates to a method for the cosmetic treatment of keratinous fibres, and a use of the composition according to the invention as a shampoo.

Abstract: The present invention relates to the use of organomodified metallic nanoparticles preferably bearing at their surface a self-assembled monolayer of organosulphur compounds. A preferred use is in suspension form for dyeing and/or treating human keratin fibers. The invention also relates to a process for dyeing and/or treating human keratin fibers, by the application to the keratin fibers of such a suspension, and also to compositions used to perform such a process. The invention includes the colouring and/or treating of human keratin fibers, in particular the hair, with the invention suspension. Compositions of the nanoparticles with cosmetic active principles, and uses thereof, also are described.

Abstract: The invention relates to hair compositions, packaged in an aerosol device, comprising, in a cosmetically acceptable medium,

Abstract: The invention concerns a composition comprising, in a cosmetically acceptable medium containing water and/or a solvent, metal, metal oxide, metal carbide or nitride nanoparticles or mixtures thereof, and one or several organic silicon compounds soluble in water and/or in the solvent, having one, two or three silicon atoms, and at least two hydroxyl or hydrolysable groups per molecule. The invention is applicable to hair care compositions.

Abstract: The invention relates to the use of a water-soluble or water-dispersible linear block copolymer comprising at least one hydrophilic block and at least one hydrophobic block, the hydrophilic block(s) representing at least 30% by weight of the linear block copolymer, with the exclusion of block copolymers of ethylene oxide and of propylene oxide, block copolymers containing urethane units and block copolymers containing siloxane units, to thicken or gel aqueous hair compositions containing at least one polymer that is beneficial for the hair, and also to aqueous hair compositions thickened or gelled with such a block copolymer.

Abstract: The present invention relates to the use of, and a composition containing, at least one non-polymeric organic salt with a melting point of less than 60° C. These organic salts may be imidazolium, pyrazolium, pyridinium, pyrimidinium or tetraalkylphosphonium salts. The inventinon composition may be used for washing (cleaning) and/or conditioning keratin materials, and especially the hair.

Abstract: The present invention relates to a cosmetic treatment process for giving keratin fibres shampoo-remanent cosmetic properties, which consists in reducing, in a cosmetically acceptable medium, at least one metal salt in the presence of at least one reducing agent, directly on the keratin fibre to form the corresponding native metal in situ.

Abstract: Nontacky cosmetic compositions, such as hair compositions, comprising at least one polymer having a non-silicone backbone, comprising at least two reactive chemical functional groups, capable of forming a soft coating on hair, a cosmetic process comprising the application of this composition to hair and its use for producing a soft coating on hair.

Abstract: The present invention relates to the use, for treating the hair, of a composition containing, in a cosmetically acceptable medium, at least one monomer capable of polymerizing by anionic polymerization in the presence of a nucleophilic agent.

Abstract: The present invention relates to a composition for washing keratinous materials which comprises, in a cosmetically acceptable aqueous medium, particles essentially consisting of aluminium oxide and having a mean primary size in numerical terms of less than 200 nm, at least one anionic surfactant and at least one amphoteric or nonionic surfactant. The invention also relates to a method for the cosmetic treatment of keratinous fibres, as well as a use of the composition according to the invention as a shampoo.

Abstract: Cosmetic compositions, such as hair compositions, comprising at least one polymer with a non-silicone skeleton, comprising at least two reactive chemical functional groups, which are capable of forming a rigid coat on the hair, a cosmetic process comprising the application of this composition onto the hair, and its use for producing a rigid coat on the hair.

Abstract: Cosmetic compositions, comprising at least one polymer with a non-silicone skeleton, comprising at least two reactive chemical functional groups, that is capable of forming a tackifying coating on the hair, a cosmetic process comprising the application of the composition to the hair, and also its use for producing a tackifying coating on the hair.

Abstract: The invention relates to a styling composition comprising, in a physiologically acceptable liquid medium, the combination of at least one film-forming fixing polymer and of at least one crystalline hot-melt polymer which is soluble in the said medium and which has a crystalline melting temperature, measured by differential scanning calorimetry, of between 30° C. and 80° C., and to a process for the thermal remodelling of the hair using this composition.

Abstract: The invention concerns a composition comprising at least a non-polymeric crystalline salt and a solvent medium formed by one or several organic solvent(s) and, optionally water: (1) the non-polymeric crystalline salt having a solubility at 20 ° C. in absolute ethanol or in all solvents or mixtures of solvents having Hansen parameters whereof the dispersing constituent &dgr;d is less than 18 Mpa0.5, whereof the polar constituent &dgr;p is less than 15 Mpa0.5 and whereof the hydrogen constituent &dgr;h is less than 27 Mpa0.5, higher than 20 grams per litre; a solubility in water at 20 ° C. less than 1000 grams per litre; (2) the organic solvent(s) being present in the solvent medium in a proportion higher than 50% relative to the total weight of the solvent medium.

Abstract: A cosmetic hair composition comprising in a cosmetically acceptable medium, (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane; and (b) at least one non-silicone, non-cellulosic fixing polymer. The invention also relates to a method of making the composition, a cosmetic hair process comprising the application of this composition to hair, and also to methods for fixing and/or holding a hairstyle.

Abstract: A cosmetic hair composition, such as a gel, comprising: (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane; and (b) at least one non-cellulosic, non-fixing thickener. The invention also relates to a method of making the composition, a cosmetic hair process comprising the application of this composition to the hair, and also to methods for fixing and/or holding the hairstyle.

Abstract: An aerosol composition comprising (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane, and (b) a propellant comprising dimethyl ether. The invention also relates to a method of making the composition, an aerosol device containing the composition, and a cosmetic hair process, for fixing and/or holding the hairstyle by using this aerosol composition.

Abstract: The present invention relates to a composition for washing keratinous materials, in particular hair, which comprises, in a cosmetically acceptable medium, particles essentially consisting of aluminium oxide and having a mean primary size in numerical terms of less than 200 nm, at least one conditioning agent chosen from cationic surfactants, cationic polymers, silicones, vegetable oils, ceramides, anionic polymers, amphoteric polymers and mixtures thereof, and at least one detergent surfactant, these compositions not simultaneously containing an anionic surfactant and an amphoteric or nonionic surfactant. The invention also relates to a method for the cosmetic treatment of keratinous fibres, and a use of the composition according to the invention as a− shampoo.

Abstract: The present invention relates to a composition for washing keratinous materials which comprises, in a cosmetically acceptable aqueous medium, particles essentially consisting of aluminium oxide and having a mean primary size in numerical terms of less than 200 nm, at least one anionic surfactant and at least one amphoteric or nonionic surfactant. The invention also relates to a method for the cosmetic treatment of keratinous fibres, as well as a use of the composition according to the invention as a shampoo.

Abstract: The present invention relates to a composition packaged in an aerosol device comprising a liquid phase and a propellant. The liquid phase comprises, in a cosmetically acceptable medium, nanoparticles comprising at least 10% by weight of alumina and exhibiting a number-average primary size of between 2 and 200 nm. The propellant is chosen from dimethyl ether, C3-5 alkanes, 1,1-difluoroethane, mixtures of dimethyl ether and of C3-5 alkanes or mixtures of 1,1-difluoroethane and of dimethyl ether and/or of C3-5 alkanes. The invention also relates to a process for the cosmetic treatment of the hair and to the use as styling product.