Patent ID: 6641802
Filing Date: 2003-11-04
Classification: A61K,A61Q,C07C

Abstract:
A photoprotective cosmetic composition suited for the UV-photoprotection of human skin and/or hair, comprising an effective UV-photoprotective amount of at least one amino acid compound having the structural formula (I): in which n is an integer ranging from 1 to 4; and R1 is one of the following radicals of formula (1), (2), (3), (4), (5), (6) or (7): in which p is an integer ranging from 1 to 3; R2 is a hydrogen atom, a C1-C8 alkyl radical, a C1-C8 O-alkyl radical, or a C1-C8 O-acyl radical; R3 and R4, which may be identical or different, are each a hydrogen or halogen atom, or C1-C8 alkyl or alkoxy, or a radical of the following formula (8): R5 is a hydrogen or halogen atom, a C1-C8 alkyl or alkoxy radical, or a divalent radical: R6 is a hydrogen atom, a C1-C8 alkyl radical, or a divalent radical: with the proviso that at least one of the two substituents R5 and R6 is the divalent radical: R7 is a C1-C8 alkyl radical; or an acid or base salt thereof, formulated into a topically applicable, cosmetically acceptable vehicle, diluent or carrier therefor.