主权项 |
1. An agent for cosmetic treatment of keratin-containing fibers, in particular human hair, comprising:
(a) at least one copolymer (a) comprising at least one structural unit of formula (I) and at least one structural unit of formula (II), in whichR1 denotes a hydrogen atom or a methyl group,X1 denotes an oxygen atom or an NH group,A1 denotes an ethane-1,2-diyl, propane-1,3-diyl or butane-1,4-diyl group,R2 and R3 mutually independently denote a (C1 to C4) alkyl group, and (b) at least one copolymer (b) comprising at least one structural unit of formula (A1) and at least one structural unit of formula (A2) in whichR1 denotes a (C1 to C8) alkyl group,R2 denotes a (C1 to C6) alkyl group,M denotes a hydrogen atom or an equivalent of a mono- or polyvalent cation; anda cosmetically acceptable carrier. |