A cosmetic agent, in particular a styling agent, containing, in a cosmetically acceptable carrier, a) at least one copolymer A made of at least one monomer A1 selected from acrylic acid, methacrylic acid, acrylic acid alkyl esters, and methacrylic acid alkyl esters, and at least one amphoteric monomer A2 selected from (meth)acryloylalkylbetaines of formula (A2-I) and (meth)acryloylalkylamine oxides of formula (A2-II), such that in formula (A2-I) and in formula (A2-II), R
1
denotes H or CH
3
, R
2
and R
3
, mutually independently in each case, denote optionally branched C
1-10
alkyl, and n denotes an integer from 1 to 20, and b) at least one film-forming and/or setting amphoteric polymer B different from copolymer A; and use of the agents for the temporary deformation of hairs.
一种化妆品剂,特别是一种造型剂,包含在一种在化妆上可接受的载体中,a) 至少一种由至少一种从
丙烯酸、
甲基丙烯酸、
丙烯酸烷基
酯和
甲基丙烯酸烷基
酯中选择的单体A1制成的共聚物A,以及至少一种从式(A2-I)的(
甲基)
丙烯酰烷基
甜菜碱和式(A2-II)的(
甲基)
丙烯酰烷基胺
氧中选择的两性单体A2,使得在式(A2-I)和式(A2-II)中,R1代表H或
CH3,R2和R3,在每种情况下相互独立地表示可选的支链C1-10烷基,n代表1到20之间的整数,以及b) 至少一种与共聚物A不同的成膜和/或固定两性
聚合物B;以及使用这些剂对头发进行暂时变形。