Cosmetic and dermatological hair-treatment agents

The invention provides cosmetic and dermatological hair treatment compositions comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyidimethyltaurine and/or acryloyldimethyltaurates, B) if desired, one or more further olefinically unsaturated, noncationic comonomers, C) if desired, one or more olefinically unsaturated, cationic comonomers, D) if desired, a silicon-containing component(s), E) if desired, a fluorine-containing component(s), F) if desired, one or more macromonomers, G) the copolymerization taking place if desired in the presence of at least one polymeric additive, H) with the proviso that component A) is copolymerized with at least one component selected from one of the groups D) to G).