Abstract: A reshapable hair styling composition comprising, in a cosmetic vehicle appropriate for hair, at least one dispersion comprising at least one polyurethane in a water and/or solvent medium, said at least one polyurethane being obtained by reacting: (a) an isocyanate terminated polyurethane prepolymer being obtained by reacting: (i) at least one polyactive hydrogen compound insoluble in the medium of the dispersion, wherein said polyactive hydrogen compound is chosen from alkyl, aryl, and aralkyl structures optionally substituted in and/or on the structure by N, O, and/or S groups; (ii) at least one polyisocyanate, and (iii) at least one polyactive hydrogen compound soluble in the medium of the dispersion, (b) at least one polyfunctional chain extender; and (c) at least one chain terminator.

Abstract: A reshapable hair styling composition comprising at least one (meth)acrylic copolymer comprising: (a) units derived from at least one monomer chosen from (meth)acrylate esters of branched and straight chain alkyl alcohols, (b) units derived from at least one monomer chosen from (meth)acrylate esters of saturated and unsaturated cyclic alcohols containing 6 to 20 carbon atoms, (c) optionally units derived from at least one monomer chosen from hydrophilic monomers, and (d) optionally units derived from at least one monomer other than (a), (b), and (c) monomers, wherein said at least one (meth)acrylic copolymer comprises units derived from at least four different monomers and wherein said composition provides a reshapable effect.

Abstract: A composition comprising, in a cosmetically acceptable medium, (a) at least one reducing agent and (b) at least one conductive polymer. A process for treating keratin fibers, for example, human keratin fibers, such as hair, comprising a) applying, to wet or dry keratin fibers, the at least one composition disclosed herein; b) leaving the at least one composition on the fibers for a time period that is sufficient to shape the fibers; c) optionally rinsing the fibers and optionally applying at least one oxidizing composition to the keratin fibers; d) leaving the at least one oxidizing composition on the keratin fibers for a time period that is sufficient to fix the shape of the fibers; e) optionally rinsing the fibers; f) washing and rinsing the fibers; and g) drying the fibers or leaving the fibers to dry. The use of the composition for imparting an optical effect on keratin fibers.

Abstract: The present disclosure relates to a hair cosmetic composition, such as a gel, comprising at least one high-molecular-weight polyurethane polymer and at least one thickener. The present disclosure also relates to a hair cosmetic method comprising the application of said composition to the hair and its use to fix and/or hold the hairstyle.

Abstract: Disclosed herein is a composition for cosmetic treatment of keratin materials, packaged in an aerosol device comprising (a) at least one propellant and (b) a hairstyling composition comprising at least one polyurethane having a number-average molecular weight ranging from 400 000 to 5 000 000 g/mol, in a cosmetically acceptable medium comprising water. Also disclosed herein is an aerosol device comprising the composition disclosed herein.

Abstract: A two-compartment aerosol device comprising: (i) a first compartment comprising a cosmetic composition comprising, in at least one cosmetically acceptable medium, at least one electrophilic monomer, and (ii) a second compartment comprising at least one compressed gas, wherein the first and second compartments provide, during the use of the aerosol device, a permanent mechanical separation therein between the cosmetic composition and the at least one compressed gas and methods of using the two-compartment device.

Abstract: A reshapable hair styling composition comprising heterogeneous (meth)acrylic copolymer particles, said particles being the same or different and comprising at least one (meth)acrylic copolymer comprising: (a) units derived from at least one monomer chosen from (meth)acrylate esters of branched and straight chain alkyl alcohols, (b) units derived from at least one monomer chosen from (meth)acrylate esters of saturated and unsaturated cyclic alcohols containing 6 to 20 carbon atoms, (c) optionally units derived from at least one monomer chosen from hydrophilic monomers, and (d) optionally units derived from at least one monomer other than (a), (b), and (c) monomers, wherein said composition provides a reshapable effect.

Abstract: The disclosure relates to a composition comprising, in a cosmetically acceptable medium, (a) at least one rigid non-film-forming particle and (b) at least one conductive polymer. The disclosure also relates to a process for treating keratin fibers, a process for shaping and/or holding the hairstyle, and a process for giving keratin fibers an optical effect.

Abstract: A composition comprising, in a cosmetically acceptable medium, (a) at least one oxidizing agent and (b) at least one conductive polymer, for example, comprising at least one repeating unit chosen from aniline, pyrrole, thiophene, bisthiophene, furan, para-phenylene sulfide, para-phenylene vinylene, indole, aromatic amide, aromatic hydrazide, aromatic azomethine, and aromatic ester. A process for treating fibers, for example, a bleaching, a permanent-reshaping, and a dyeing process, using the composition. The use of this composition for imparting an optical effect on keratin fibers.

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: Described herein is a hair styling composition comprising, in a physiologically acceptable liquid medium: at least one hydrophilic polymeric high porosity material, and at least one fixing polymer, with the proviso that the at least one hydrophilic polymeric high porosity material is not a silicone polymer or an alkyl polymethacrylate polymer (PMMA). The compositions disclosed herein make it possible to obtain a more strongly fixed and a longer lasting hair style.

Abstract: The invention relates to a hair styling composition comprising: an effective amount of at least one adhesive particle to provide a reshapable effect, an effective amount of at least one polymeric non-adhesive particle to impart at least one of the desirable properties and/or substantially maintain said reshapable effect relative to an identical formulation without said at least one non-adhesive particles, and a cosmetically acceptable carrier. The invention also relates to a method of providing a reshapable effect to the hair, comprising applying to the hair, before, during or after shaping of the hairstyle, a hair styling composition of according to the invention. And finally, the invention also relates to a method of making a reshapable hair styling composition.

Abstract: Disclosed is a dyeing composition comprising, in a medium suitable for dyeing, at least one dyestuff and at least one elastomeric film-forming polymer wherein the film obtained by drying the at least one elastomeric film-forming polymer at ambient temperature and at a relative humidity of 55% has properties comprising: (a) an elongation at break (?b) of greater than or equal to 800%, (b) an instantaneous recovery (Ri) at least equal to 75%, after an elongation of 150%, and (c) a recovery (R300) at 300 seconds of greater than 80%.

Abstract: Disclosed is a leave-in cosmetic composition comprising, in a cosmetically acceptable medium, at least one elastomeric film-forming polymer chosen such that the film obtained by drying this polymer, in an aqueous or alcoholic medium, at ambient temperature and at a relative humidity of 55%, has a mechanical profile comprising: (a) an elongation at break (?b) of greater than or equal to 800%, (b) an instantaneous recovery (Ri) at least equal to 75%, after an elongation of 150%, and (c) a recovery (R300) at 300 seconds of greater than 80%.

Abstract: The present disclosure relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one elastomeric film-forming polymer, wherein film obtained by drying the at least one elastomeric film-forming polymer at ambient temperature and at a relative humidity of 55%±5%, has properties comprising: (a) an elongation at break (?b) of greater than or equal to 800%, (b) an instantaneous recovery (Ri) at least equal to 75%, after an elongation of 150%, and (c) a recovery (R300) at 300 seconds of greater than 80%, the at least one elastomeric film-forming polymer being water-soluble. This composition makes it possible, for example, to condition keratin fibers such as the hair.

Abstract: The present disclosure relates to a dyeing composition comprising, in a medium suitable for dyeing, at least one dye precursor and at least one elastomeric film-forming polymer wherein the film obtained by drying this polymer, at ambient temperature and at a relative humidity of 55%±5%, has properties comprising: (a) an elongation at break (?b) of greater than or equal to 800%, (b) an instantaneous recovery (Ri) at least equal to 75%, after an elongation of 150%, and (c) a recovery (R300) at 300 seconds of greater than 80%. This composition makes it possible, for example, to obtain strong colorations that withstand outside agents.

Abstract: The present disclosure relates to compositions and methods for permanently shaping or for relaxing keratin fibers comprising applying to the keratin fibers a cosmetic composition comprising, in a cosmetically acceptable medium, at least one elastomeric film-forming polymer, wherein the film obtained by drying said at least one film-forming polymer at ambient temperature and at a relative humidity of 55%±5%, has a mechanical profile comprising: (a) an elongation at break (6b) of greater than or equal to 800%, (b) an instantaneous recovery (Ri) at least equal to 75%, after an elongation of 150%, and (c) a recovery (R300) at 300 seconds of greater than 80%; and at least one compound chosen from keratin-reducing compounds and keratin-fixing compounds.

Abstract: The present disclosure relates to a pressurized hair composition comprising at least one elastomeric film-forming polymer and at least one propellant, and also the use of these compositions for styling the hair.