| 摘要 |
PROBLEM TO BE SOLVED: To provide an external preparation which contains a tranexamic acid and saccharides and suppresses pigmentation due to an elapsed time.SOLUTION: An external preparation contains (A) a tranexamic acid and its salt; (B) saccharides; and (C) a compound represented by the formula (I) and its salt (in the formula (I), Ris a C7-19 linear alkyl group or -NRR; Rand Reach independently represent H or a substituted/unsubstituted alkyl group; and Rand Reach independently represent H, a substituted/unsubstituted alkyl group or a group containing a substituted/unsubstituted imidazolidine-2,4-dione skeleton, wherein Rand Rmay be bonded to each other to form a ring).SELECTED DRAWING: None |
