Patent ID: 8398963

Claim:
A cosmetic composition comprising at least one water-soluble or water-dispersible polymer which comprises, in incorporated form, a) 7 to 45% by weight of at least one α,β-ethylenically unsaturated monomer of the formula I in which R l is hydrogen or C 1 - to C 8 -alkyl, and X 1 is O, b) 25 to 90% by weight of at least one N-vinylamide and/or N-vinyllactam, c) 0.5 to 30% by weight of at least one compound having a free-radically polymerizable, α,β-ethylenically unsaturated double bond and at least one cationogenic and/or cationic group per molecule, wherein the cationic and cationogenic groups are selected from optionally protonated primary, secondary and tertairy amino groups and quaternized ammonium groups; d) 0 to 30% by weight of at least one α,β-ethylenically unsaturated monomer selected from the group consisting of methacrylic acid and monomers of the formula II in which R 3 is hydrogen or C 1 - to C 8 -alkyl, X 2 is O or NR 5 , where R 5 is hydrogen C 1 - to C 8 -alkyl or C 5 - to C 8 -cycloalkyl, and R 4 is a linear C 1 - to C 22 -alkyl radical, or the salts thereof; wherein the polymer does not comprise, in incorporated form, monomers having at least two ethylenically unsaturated nonconjugated double bonds; and wherein components c), d) and optionally a component e) are present in amounts such that the ratio of equivalents of the cationogenic groups is greater than or equal to the equivalents of anionogenic groups; and a customary cosmetic auxiliary.