| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceramide-like function imparting agent which imparts a function similar to that of a ceramide; a skin barrier function reinforcing agent; a moisturizing agent; and an external preparation for the skin.SOLUTION: A ceramide-like function imparting agent which contains, as an active ingredient, a succinic acid diamide derivative represented by the following formula (1). (In the formula, each of Rand Rindependently represents a hydroxyalkyl group having 1-6 carbon atoms; and Rrepresents a -CHCHCHCH-Rgroup or a -CHCH=CHCH-Rgroup (wherein Rrepresents an alkyl group having 8-26 carbon atoms).) |
