POLYMER COMBINATION FROM AT LEAST TWO DIFFERENT N-VINYLPYRROLIDONE/N-VINYLCAPROLACTAM COPOLYMERS FOR COSMETIC HAIR SHINE PRODUCTS

摘要

The invention relates to products for treating keratin fibers, especially human hair, said products containing, in a cosmetically acceptable carrier, (i) 1.0% by weight to 2.8% by weight, especially preferred from 1.5% by weight to 2.8% by weight, of at least one copolymer (a) which comprises at least one structural unit of formula (I) and at least one structural unit of formula (II) and at least one structural unit of formula (III), wherein R1 is a hydrogen atom or a methyl group, X1 is an oxygen atom or an NH group, and R2 and R3 independently represent a (C1 to C4) alkyl group, and (ii) 0.4% by weight to 1.4 % by weight, especially from 0.6% by weight to 1.3% by weight, of at least one copolymer (b) which comprises at least one structural unit of formula (I) and at least one structural unit of formula (II) and at least one structural unit of formula (IV), wherein R4 is a hydrogen atom or a methyl group, X2 is an oxygen atom or an NH group, and R5 and R6 independently represent a (C1 to C4) alkyl group. The products according to the invention are suitable for temporarily shaping hair and providing shine, especially as aerosol hairspray or aerosol hair foam.