Abstract: Disclosed herein are cosmetic compositions comprising: at least one non-ionic surfactant chosen from alkylpolyglycosides and mono- and polyglycerolated surfactants, and at least one vinylformamide/vinylamine copolymer comprising: from 10 to 90 mol % of units of following formula A: and from 90 to 10 mol % of units of following formula B: and a method for treating keratinous substances using said composition.

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 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: Disclosed herein is a process involving the use of at least one unsaturated fatty substance of formula (I) as defined herein as an agent for protecting color with respect to the washing of artificially dyed keratin fibers such as artificially dyed hair. Also disclosed herein is a process for protecting the color of artificially dyed keratin fibers with respect to washing, comprising applying to the fibers, before or after dyeing, at least one composition comprising, in a cosmetically acceptable medium, at least one unsaturated fatty substance of formula (I). Further disclosed herein is a process for dyeing keratin fibers, comprising applying to the keratin fibers a direct or oxidation dye composition (A) for a time that is sufficient to develop the color, and following or preceding this application, applying a composition (B) comprising, in a cosmetically acceptable medium, at least one unsaturated fatty substance of formula (I).

Abstract: A composition for washing a keratinous substance comprising, in a cosmetically acceptable aqueous or aqueous/alcoholic medium, at least one linear block copolymer comprising at least one hydrophobic block and at least one hydrophilic block, with the exception of block copolymers of ethylene oxide and of propylene oxide, block copolymers comprising urethane units and block copolymers comprising siloxane units, at least one polymer chosen from cationic and amphoteric polymers, and at least one anionic surface-active agent in combination with at least one additional surface-active agent chosen from nonionic surface-active agents and amphoteric surface-active agents, and a method for washing keratinous substances, for example, keratinous fibers using said composition.

Abstract: The present patent application relates to novel dispersions of particles of a polymer which is stabilized at the surface, in a nonaqueous medium, in which dispersions the polymer exhibits a specific glass transition temperature. Another aspect of the present disclosure is a cosmetic or pharmaceutical composition comprising the said dispersion in a cosmetically or pharmaceutically acceptable medium. The present disclosure also relates to a method for the cosmetic treatment of keratinous substances employing the presently disclosed composition.

Abstract: The present disclosure relates to novel washing compositions for keratin materials, for instance for the hair, comprising, in a cosmetically acceptable medium, at least one polymer chosen from cationic and amphoteric polymers, at least one detergent surfactant chosen from anionic, nonionic and amphoteric detergent surfactants and at least one drawing polymer with a drawing power of greater than 5 cm. Also disclosed herein is a process for treating keratin materials using the compositions of the present disclosure.

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 present invention relates to a composition for washing keratinous substances, preferably keratinous fibers, comprising, in a cosmetically acceptable aqueous medium, at least one anionic or nonionic, amphiphilic linear block copolymer comprising at least one hydrophobic block and at least one hydrophilic block, with the exception of block copolymers of ethylene oxide and of propylene oxide, block copolymers comprising urethane units and block copolymers comprising siloxane units, at least one nonvolatile silicone, and at least one anionic surface-active agent in combination with at least one nonionic and/or amphoteric surface-active agent, and to the use of such a composition for washing keratinous substances.

Abstract: The invention concerns generally a cosmetic composition comprising at least one cosmetic active principle and at least one photodimerizable compound enabling a material deposit to be provided on the keratinous materials, which is resistant to washing, and whereof the location is precisely controlled, capable of providing long-lasting cosmetic properties to keratinous materials, and of being removed at any time.

Abstract: The present invention relates to the use, for the cosmetic treatment of keratin materials, of a film-forming composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer such that the film obtained from the composition by drying at ambient temperature and with a relative humidity of approximately 50% has a Young's modulus of between 1 and 100 MPa, measured for a thickness of 0.5 mm and with a tensile speed of 20 mm/min.

Abstract: The present disclosure relates to novel washing compositions for keratin materials, for instance for the hair, comprising, in a cosmetically acceptable medium, at least one polymer chosen from cationic and amphoteric polymers, at least one detergent surfactant chosen from anionic, nonionic and amphoteric detergent surfactants and at least one drawing polymer with a drawing power of greater than 5 cm. Also disclosed herein is a process for treating keratin materials using the compositions of the present disclosure.

Abstract: Disclosed herein is a cosmetic composition comprising, in a physiologically acceptable aqueous medium: at least one agent for protecting keratin fibers; at least one aromatic alcohol; and at least one aromatic carboxylic acid or a salt thereof. Also disclosed herein is a method for protecting keratin fibers against the action of atmospheric agents comprising applying the composition described above to the fibers. Further disclosed herein is a method for the post-treatment of an oxidation dyeing or of a direct dyeing operation on keratin fibers comprising applying the composition described above to the fibers. Still further disclosed herein is a multi-component coloring agent comprising at least one first component comprising a direct or oxidation dye composition (A) and a second component comprising a composition (B) comprising a composition described above.

Abstract: The disclosure provides cosmetic compositions comprising, in a cosmetically acceptable medium, at least one block copolymer comprising at least a first hydrophilic block and at least a second block that is chosen from a second hydrophilic block, wherein the second hydrophilic block is different than the first hydrophilic block, and a hydrophobic block, wherein the hydrophilic block(s) represent at least 30% by weight of the at least one block copolymer, at least one amino silicone, and at least one nonpolymeric thickener chosen from at least one fatty alcohol and at least one amide. The present disclosure also provides uses of the compositions for the disentangling, smoothing, and imparting sheen to keratin fibers such as hair.

Abstract: The invention relates to a composition for dyeing keratin fibres, comprising a physiologically acceptable aqueous medium, comprising: at least one dye bearing at least one ionic group, said dye being present in an amount ranging from 0.001 to 5% by weight relative to the total weight of the composition; at least one block copolymer comprising at least one water-soluble nonionic block and at least one ionic block exhibiting charges opposite to that of the ionic charge borne by the dye.

Abstract: The present invention relates to a composition comprising in a cosmetically acceptable medium at least one electrophilic monomer and at least one non-polymeric organic salt having a melting point of less than 60° C., and to its use for the cosmetic treatment of keratin materials. It also relates to a method of cosmetic treatment of keratin materials, especially keratin fibres such as the hair, which employs said composition. It likewise relates to a method of cosmetic treatment of keratin materials which comprises one step of applying said non-polymeric organic salt and another step of applying at least one electrophilic monomer.

Abstract: The present patent application relates to a process for the cosmetic treatment of keratin materials, including keratin fibers such as the hair. The process comprises applying the composition to the keratin materials, wherein the composition comprises, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer, the non-silicone polymer being chosen such that the composition gives, after drying, a film with a maximum peel force of greater than 1 newton. The application also relates to the composition.

Abstract: Disclosd herein is a film-forming composition for the cosmetic treatment of keratin materials comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer, such that the film obtained from the composition by drying at room temperature and with a relative humidity level of about 50% has a Young's modulus of between 100 and 2000 MPa, measured for a thickness of 0.5 mm and with a tensile speed of 20 mm/min.

Abstract: The present disclosure relates to methods for treating keratin materials, including keratin fibers such as the hair, of a composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and microparticles or nanoparticles.

Abstract: Disclosed herein is a cosmetic composition comprising at least one electrophilic monomer and at least one non-reducing organic acid containing from 1 to 12 carbon atoms in a cosmetically acceptable anhydrous medium, and its use for the cosmetic treatment of the hair. Also disclosed herein is a method of cosmetic treatment of the hair which employs the composition.