4-(2-Oxo-3-bornylidene methyl) benzene sulfonic acid and salts thereof

Abstract

An anti-solar cosmetic composition contains as the anti-solar agent a compound of the formula ##STR1## wherein R represents a member selected from the group consisting of hydrogen, a halogen selected from the group consisting of chlorine and fluorine and alkyl containing 1-4 carbon atoms; R' and R" each independently represent a member selected from the group consisting of hydrogen and SO.sub.3 M wherein M represents a member selected from the group consisting of hydrogen, organic ammonium group and a metal, wherein at least one of R' and R" is other than hydrogen, and R" is a substituent at the para or meta position relative to the bornylidene ring. The anti-solar agent is present in amounts of 0.5-10 percent by weight of said composition.

Dependencies are inferred from the claim text.