Abstract: Disclosed herein are a cosmetic composition comprising at least one diazirine active-agent compound comprising a diazirine covalently bonded to a cosmetic active agent, said at least one diazirine-active agent compound and the uses of the composition or of the compound, as well as cosmetic treatment processes using the composition or the compound.

Abstract: The invention relates to an aqueous cosmetic composition containing, in a cosmetically acceptable medium, at least one type of polymer compound whose chain comprises at least two types of amine units —NH— and/or and is devoid of any vinyl amine or vinyl amide unit, wherein said polymer compound is modified with one or more hydrophilic and/or hydrophobic hydrocarbon segments, said segment(s) being different from sugar and being devoid of any sulfur, silicone or amidino group, wherein the modification with hydrophobic hydrocarbon segments is not carried out by means of a bifunctional spacer group.

Abstract: The subject of the invention is the use of particular dithiols in a composition for permanent deformation of hair. It also relates to a method for permanent deformation of hair using these dithiols, and cosmetic compositions containing at least one of these dithiols and at least one compound chosen from nonionic, anionic, cationic, amphoteric or zwitterionic polymers and surfactants or cosmetic compositions containing specific dithiols.

Abstract: The invention concerns methods for removing make-up from keratinous materials which consist in applying, after treating the fiber with a ligand-receptor system, at least one ligand and/or at least one salt. The invention also concerns make-up compositions for keratinous materials comprising, at least one ligand and at least one compound selected among salts and amino acids.

Abstract: The invention relates to a photoactivatable compound having a support molecule chosen from carbon-containing and/or sulfur-containing and/or nitrogen-containing and/or phosphorus-containing nonpolymer compounds, polymers and oligomers and to which are covalently bonded at least two species containing chemical groups which, after irradiation between 200 and 450 nm, are converted into reactive species capable of reacting with chemical groups belonging to other molecules. The invention also relates to a cosmetic composition having at least one photoactivatable compound, and also to a cosmetic treatment process using the composition.

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 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 invention relates to a cosmetic composition including a photoactivatable compound having a support molecule chosen from carbon-containing and/or sulfur-containing and/or nitrogen-containing and/or phosphorus-containing nonpolymer compounds, polymers and oligomers and to which are covalently bonded at least two species containing chemical groups which, after irradiation between 200 et 450 nm, are converted into reactive species capable of reacting with chemical groups belonging to other molecules.

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: 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: 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: Disclosed herein is a haircare composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and micro- or nanoparticles of at least one solid lubricant.

Abstract: Disclosed herein is a cosmetic composition for treating keratin materials, for example, keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one organic or mineral salt. Also disclosed is a method for cosmetically treating keratin materials comprising applying the cosmetic composition to the keratin materials.

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.

Abstract: The present disclosure relates to compositions for dyeing keratin fibers comprising at least one pigment, at least one polymer PA bearing at least one functional group A, and at least one polymer PB bearing at least one functional group B, wherein the functional groups A and B can form covalent bonds together; to processes for dyeing keratin fibers with the compositions as disclosed herein, and also to the use of this pigment and of these polymers for dyeing keratin fibers in a color-fast manner.

Abstract: The present disclosure relates to a cosmetic reducing composition for permanently reshaping keratinous fibers, such as the hair, comprising, in a cosmetically acceptable medium, at least one reducing agent and at least one photo-oxidizing agent complexed with at least one metal. The present disclosure also relates to a process for permanently reshaping keratinous fibers with the compositions disclosed, and a multi-compartment kit containing such compositions for permanantly reshaping keratinous fibers.

Abstract: The present disclosure relates to an aqueous reducing composition, for permanently reshaping the hair, comprising in a cosmetically acceptable medium, (i) at least one reducing agent, and (ii) at least one organic, inorganic or hybrid solid material which forms a three-dimensional repeating lattice capable of entrapping one or more metal ions or complexes and which has been modified by incorporating at least one oxidizing species chosen from transition metals used as salts, oxides or complexes with a ligand.

Abstract: The invention relates to a composition containing n polymers (P1, P2, . . . Pn) with 10?n?2 dissolved in a common solvent (Sc) which is liquid at room temperature and at atmospheric pressure, the polymers (P1, P2, . . . Pn) and the common solvent (Sc) being chosen so as to form distinct domains, each containing a single polymer after applying the composition to a human keratin material substrate and subsequently removing the common solvent (Sc). Variations thereof.

Abstract: Disclosed herein are a cosmetic composition comprising at least one diazirine active-agent compound comprising a diazirine covalently bonded to a cosmetic active agent, said at least one diazirine-active agent compound and the uses of the composition or of the compound, as well as cosmetic treatment processes using the composition or the compound.