Dibenzoylmethane sunscreen compositions containing photostabilizing amounts of tri-substituted butane compounds

Abstract

Improvedly photostable UV-photoprotecting cosmetic/dermatological compositions for the skin and/or the hair contain (a) a UV-photoprotective amount of at least one dibenzoylmethane sunscreen, e.g., 4-(tert-butyl)-4′-methoxydibenzoylmethane or 4-isopropyldibenzoylmethane, advantageously (a′) a UV-photoprotective amount of at least one 1,3,5-triazine sunscreen, e.g., 2-[(p-(tert-butylamido]-4,6-bis[(p-(2′ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine or 2,4,6-tris[p-(2′-ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine, (b) an effective sunscreen photostabilizing amount of 1,1,1-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, formulated into (c) a topically applicable, cosmetically acceptable vehicle, diluent or carrier therefor.

Dependencies are inferred from the claim text.