Compositions containing a UV-A filter of the dibenzoylmethane type and a s-triazine derivative; process of photostabilisation

摘要

Cosmetic composition comprises a dibenzoylmethane UV-A filter and a triazine derivative (I). Cosmetic composition comprises a dibenzoylmethane UV-A filter and a triazine derivative of formula (I). X : O or NR 6; R a(CHR 4) n(CHR 5) mCR 1R 2R 3; R 1, R 21-8C alkyl or together form a 5-8C ring optionally substituted with 1-3 of 1-4C alkyl; R 3-R 5H or 1-4C alkyl; n, m : 0 or 1; R 6H or 1-8C alkyl; R b1-20C (un)saturated alkyl, 5-12C cycloalkyl (optionally substituted by 1-3 of 1-4C alkyl), (CH 2CHR 7O) qR 8or CH 2CH(OH)CH 2OR 8; R 7H or Me; R 8H or 1-8C alkyl; q : 1-20; R c1-20C (un)saturated alkyl, OH or 1-20C alkoxy; p : 0-2; provided that m : 0 and R 3is not H when n = 1 and R 4= H, and n+m is not 2 when R 1and R 2form a ring. [Image].