Cosmetic composition comprising a dibenzoylmethane derivative and a 2-pyrrolidinone-4-carboxy ester compound； method for the photostabilization of the dibenzoylmethane derivative
COSMETIC COMPOSITION COMPRISING A DIBENZOYLMETHANE DERIVATIVE AND A 2-PYRROLIDINONE-4-CARBOXY ESTER COMPOUND； METHOD FOR THE PHOTOSTABILIZATION OF THE DIBENZOYLMETHANE 5 DERIVATIVE The present invention relates to a composition comprising, in a cosmetically acceptable vehicle, at least one UV screening system, characterized in that it comprises: 10 (a) at least one dibenzoylmethane derivative and (b) at least one 2 -pyrrolidinone-4-carboxy ester compound of following formula (I): 1 R2 N1 R (I) in which: R' denotes a linear or branched C1 -C 20 alkyl radical, R2 denotes a linear or branched C1 -C2 0 alkyl radical which can comprise a C5 -C6 ring, the phenyl radical, the benzyl 20 radical or the phenethyl radical. It also relates to a method for the photostabilization with regard to radiation of at least one dibenzoylmethane derivative by an effective amount of at least one 2 -pyrrolidinone-4-carboxy ester compound of 25 formula (I). 2118570 1 (GHMatters) 16/11/09
