PROBLEM TO BE SOLVED: To provide a pharmaceutical preparation a cosmetic, etc. for promoting ceramide production.SOLUTION: The ceramide production promoter includes a compound represented by formula (1) (wherein R1 is an 8-24C alkyl group or an 8-24C acyl group) or its salt as an active ingredient.COPYRIGHT: (C)2010,JPO&INPIT【課題】セラミドの産生を促進するための医薬品、化粧品等の提供。【解決手段】下記式(1)(式中、R1は炭素数8~24のアルキル基又は炭素数8~24のアシル基を示す。)で表される化合物又はその塩を有効成分とするセラミド産生促進剤。【選択図】なし