COMPOSITION CONTAINING AN ESTER-TYPE CINNAMIC ESTER UV-B FILTER, A DIBENZOYLMETHANE TYPE UV-A FILTER AND S-TRIAZINE DERIVATIVE; PHOTOSTABILIZATION METHOD

摘要

The present invention relates to a composition, in particular a cosmetic composition for topical use containing the combination of a UV-B filter of the cinnamic acid ester type, a UV-A filter of the dibenzoylmethane derivative type and an s-triazine having two hindered para-aminobenzalmalonate groups and a para-aminobenzoate group of the formula (I) particular.It also relates to a method of photostabilization vis-à-vis the UV radiation of at least UV-B type filter cinnamic acid ester in the presence of a UV-A filter of the dibenzoylmethane derivative type comprising associating with said filter mixture at least one s-triazine having two hindered para-aminobenzalmalonate groups and a para-aminobenzoate group of formula (I The present invention also relates to the use of said s-triazine compound in a composition comprising, in a cosmetically acceptable support, the combination of a UV-B screening agent. the cinnamic acid ester type, a UV-A filter of the dibenzoylmethane derivative type in order to improve the effectiveness of said composition with respect to UV-B rays as well as to maintain the UVA-UVB protection balance during solar exposure.