| abstract |
Disclosed are a transglutaminase activator that activates transglutaminase, a ceramide production promoter that promotes the production of ceramide, and an involucrin expression promoter that promotes the expression of involucrin. A transglutaminase activator, a ceramide production promoter, and an involucrin expression promoter, comprising an extract of perilla ( Peristrophe japonica ) as an active ingredient. [Selection figure] None |