| abstract |
(57) [Summary] [Structure] The following general formula (1) [In the formula, R represents an alkyl group, a phenyl group or a phenyl group having a substituent, X represents a carboxyl group or a salt or ester group thereof, and Y is the same or different and is an alkyl group, an aryl group, a hydroxyl group, an alkoxy group. , An alkenyloxy group, a perfluoroalkyl group, an alkoxycarbonyl group, an acyl group, a nitro group, a cyano group or a halogen atom, or two Y's may form an α-methylenedioxy group, and n is Each of them represents an integer of 0 to 5], and an ultraviolet absorber and a cosmetic containing an α-oxycinnamic acid derivative. [Effect] It has an excellent ultraviolet absorption effect and is stable to light. |