Abstract: Aqueous dispersion obtainable by free-radical polymerization of a) at least one N-vinyl-containing monomer b) at least one polymeric dispersant c) at least one polymeric precipitation agent d) at least one crosslinker e) optionally further monomers f) optionally at least one regulator g) optionally a buffer substance where the weight ratio of b) to c) is in the range from 1:50 to 1:0.02.

Abstract: Cationic polyurethanes and polyureas formed from (a) at least one diisocyanate or reaction product thereof with one or more compounds containing two or more active hydrogen atoms per molecule, and (b) at least one diol, primary or secondary amino alcohol, primary or secondary diamine or primary or secondary triamine each with one or more tertiary, quaternary or protonated tertiary amine nitrogen atoms and having a glass transition temperature of at least 25° C. and an amine number of from 50 to 200, based on the non-quaternized or -protonated compounds, or other salts of these polyurethanes and polyureas, are useful as ingredients of cosmetic and pharmaceutical preparations.

Abstract: The present invention relates to cosmetic preparations, in particular for hair cosmetic applications, which comprise copolymers based on N-vinyllactams and N-vinyl heterocyclic compounds.

Abstract: The invention relates to the use of polymers in cosmetic preparations for hair. Said polymers can be obtained by (i) radically initiated copolymerisation of monomer mixtures consisting of (a) at least one cationic monomer or quaternisable monomer (b), optionally a water-soluble monomer, (c) optionally another radically copolymerisable monomer, (d) at least one monomer acting as a cross-linking agent and having at least two ethylenically unsaturated, non-conjugated double bonds, and (e) at least one regulator; and by (ii) subsequent quaternisation or protonation of the polymers, provided that a non-quaternised or only partially quaternised monomer is used as monomer (a).

Abstract: The use of polymers obtainable by free-radical polymerization of a) at least one vinyl ester of C1–C24-carboxylic acids in the presence of b) polyether-containing compounds and c) optionally one or more other copolymerizable monomers and subsequent at least partial hydrolysis of the ester functions of the original monomers a), in hair cosmetic formulations.

Abstract: A cosmetic composition comprising at least one water-soluble or water-dispersible polymer which comprises, in copolymerized form, a) at least one ?,?-ethylenically unsaturated monomer of the formula I in which R1 is hydrogen or C1-C8-alkyl, and X1 is O or NR2, where R2 is hydrogen, C1-C8-alkyl or if C5-C8-cycloalkyl, b) at least one ?,?-ethylenically unsaturated mono- and/or dicarboxylic acid, c) at least one compound having at least one ?,?-ethylenically unsaturated double bond and at least 5 alkylene oxide units per molecule, d) at least one compound having at least one ?,?-ethylenically unsaturated double bond and at least one straight-chain or branched C8-C30-alkyl or -alkylene radical per molecule, where the components c) and/or d) can be partially or completely replaced by a component e), where e) is at least one compound having at least one ?,?-ethylenically unsaturated double bond, at least 5 alkylene oxide units and at least one straight-chain or branched C8-C30-alkyl or -alkylene radical pe

Abstract: The invention relates to a cosmetic product containing at least one water-soluble copolymer which is obtained by radical copolymerization of acrylamide and/or methacrylamide and other water-soluble a,?-ethylenically unsaturated compounds which are copolymerizable therewith, optionally in the presence of a water-soluble polymeric graft base.

Abstract: The present invention relates to a cosmetic composition which comprises at least one water-soluble or water-dispersible copolymer which is obtainable by free-radical copolymerization of at least one N-vinyllactam, at least one anionogenic monomer and optionally further ?,?-ethylenically unsaturated compounds copolymerizable therewith, in the presence of a polymer component with repeat units which have ether groups or which are derived from vinyl alcohol.

Abstract: Disclosed are graft copolymers which are obtained by means of radical graft copolymerization of a) N-vinylformamide, b) one or several copolymerizable monomers of general formula (I), in which n=0.1 and R1 and R2 independently represent H, C1-C4 alkyl, CN, COOH, and/or one or several unsaturated sulphonic acids and/or one or several unsaturated phosphonic acids on a polymeric graft base c) of general formula (II), in which R?H, —CH3, and n=5-50 000.

Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

Abstract: The disclosure is directed to a process of conditioning hair in which a cosmetic composition is applied to the hair, which composition contains a polymer formed by (i) the free-radically initiated copolymerization of monomer mixtures of (a) from 1 to 99.99% by weight of a cationic monomer or quaternizable monomer, (b) from 0 to 98.99% by weight of a water-soluble monomer, (c) from 0 to 50% by weight of a further free-radically copolymerizable monomer, and (d) from 0.01 to 10% by weight of a bifunctional or polyfunctional, free-radical copolymerizable monomer, and (ii) subsequent quaternization of the polymer if the monomer (a) is a non-quaternized monomer.

Abstract: Hair cosmetic agents which comprise a polymer and a relaxer are proposed. The agents according to the invention are suitable for effective hair smoothing whilst being gentle on the scalp, and for retaining the structure of the hair.

Abstract: The present invention relates to a method of treating a cosmetic composition, which comprises treating the cosmetic composition with NIR radiation before, during or after application.

Abstract: The disclosure sets forth aqueous cationic surfactant formulations and a process for their preparation. The formulations contains in solution a) from 10 to 50% by weight of a quaternary ammonium compound of the formula I: where: the substituents have the meanings set forth in the description, and b) from 0.01 to 15% by weight of an amine of the formula III: and c) from 0.1 to 5.0% by weight of a buffer which maintains a pH in a range from 4 to 9. The surfactant formulation is prepared by reacting an amine of the formula III in aqueous solution with a dialkyl sulfate of the formula IV where R1 to R5 are in a molar ratio range from 85 to 99.99 mol %, based on the amine and at from 20 to 100 degrees C. and then adding to the reaction solution from 0.1 to 5.0% by weight of a buffer which maintains a pH in a range from 4 to 9.

Abstract: The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.

Abstract: Reactive dyes of the formula I where a is 1 or 2, b is 0 or 1, Y is vinyl or a radical of the formula C2H4Q, where Q is an alkali-detachable group, L3 is a direct bond or a bridge member of the formula CO—NH—M1, where M1 is C2-C6-alkylene with or without interruption by 1 or 2 unadjacent oxygen atoms, imino or C1-C4-alkylimino groups, A1 is hydroxysulfonyl or a radical of the formula SO2Y, A2 is hydrogen, hydroxysulfonyl, methoxy, chlorine, bromine or carboxyl, W is either in case 1) the radical of a coupling component, of a monoazo dye or additionally, when b=0, of a disazo dye, which may each bear further fiber-reactive groups, or  in case 2) the radical of a chromophore which optionally has further reactive groups, L1 and L2 are each a bridge member, are useful for hair dyeing and for use in cosmetic preparations for dyeing hair.

Abstract: Hair treatment compositions in the form of pump sprays and pump foams that are free from propellant gases comprise at least one cationic and at least one anionic polymer having methacrylic and ethyl units.

Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

Abstract: The present invention relates to a water-soluble or water-dispersible polymeric salt, to a cosmetic or pharmacuetical composition which comprises at least one such polymeric salt, and to the use of the polymeric salts.