FIELD: chemistry.
SUBSTANCE: invention relates to an ampholytic copolymer based on quaternised nitrogen-containing monomers which is characterised by molar excess of cationiogenic/cationic groups relative anionogenic/anionic groups, a cosmetic agent containing at least one such ampholytic copolymer, as well as use of said copolymer in skin care agents, hair treatment agents and as a rheology modifier in skin cleaning agents.
EFFECT: disclosed copolymers have self-thickening capacity and can have various uses.
27 cl, 1 tbl, 236 ex
