SUNSCREEN COMPOSITIONS

摘要

PCT No. PCT/EP95/00501 Sec. 371 Date Aug. 12, 1996 Sec. 102(e) Date Aug. 12, 1996 PCT Filed Feb. 11, 1995 PCT Pub. No. WO95/22959 PCT Pub. Date Aug. 31, 1995The present invention provides a micronised, insoluble organic UV absorber which is especially suitable for use in pharmaceutical or cosmetic applications, with the exclusion of o-hydroxyphenyl-s-triazines having formula (I) in which Ra, Rb and Rc, independently, are hydrogen, halogen, C1-C18alkyl or C1-C18alkoxy, and Rd and Re, independently, are hydrogen or C1-C18alkoxy, with the provisos that one of Rd and Re is always C1-C18alkoxy, and that, if Rb, Rc, Rd and Re are each C1-C18alkoxy, then Ra is halogen, C1-C18alkyl or C1-C18alkoxy; and a sunscreen composition comprising the micronised, insoluble organic UV absorber together with a cosmetically compatible carrier. The UV absorber is of the oxalamide, triazine, vinyl-group containing amide or cinnamic acid amide classes.