Photostable cosmetic compositions contain, formulated into a cosmetically acceptable vehicle, at least one UV-screening system that includes:
(a) at least one dibenzoylmethane compound, and
(b) at least one 2-pyrrolidinone-4-carboxy ester compound having the following formula (I):
in which:
R
1
is a linear or branched C
1
-C
20
alkyl radical, and
R
2
is a linear or branched C
1
-C
20
alkyl radical which optionally includes a C
5
-C
6
ring member, the phenyl radical, the benzyl radical or the phenethyl radical.
光稳定的化妆品组合物包含至少一种紫外线屏障系统,配制成化妆上可接受的载体,其中包括:
(a) 至少一种
二苯甲酮化合物,以及
(b) 具有以下式(I)的至少一种
2-吡咯烷酮-4-羧酯化合物:
其中:
R1是线性或支链的C1-C20烷基基团,以及
R2是线性或支链的C1-C20烷基基团,可选地包括一个C5-C6环成员,苯基基团,苄基基团或苯乙基基团。