| 摘要 |
PROBLEM TO BE SOLVED: To provide a skin care preparation suitable as a cosmetic (including quasi medicine), etc.SOLUTION: The skin care preparation comprises an acyl derivative of serine and a compound represented by the general formula [wherein Ris an unsubstituted or substituent-containing aromatic group or hydrogen atom; Rand Rare each independently an unsubstituted or substituent-containing aromatic group; X is a nitrogen atom or oxygen atom; Rand Rare each present in the number depending on X and are each independently 1-6C alkyl in which a hydrogen atom or carbon atom may be substituted with a heteroatom or hydrogen atom]. |
