| abstract |
(57) [Summary] (Modified) [Problem] To provide cosmetics, quasi-drugs and the like containing a substance having a tyrosinase inhibitory effect and effective for improving whitening and blemishes. SOLUTION: The chemical formula 1 (where n = 1 to 20, R 1 to R 1) Reference numeral 8 denotes cosmetics, quasi-drugs, pharmaceuticals, and foods containing a substance represented by H or OH). |