PROBLEM TO BE SOLVED: To provide a ceramide or glucosylceramide production promoter.SOLUTION: The invention provides a ceramide or glucosylceramide production promoter containing extract of one or more kinds of fermented teas selected from fermented tea brick, Liu An tea, and Pu-erh tea as an active ingredient.COPYRIGHT: (C)2015,JPO&INPIT【課題】セラミド又はグルコシルセラミド産生促進剤の提供。【解決手段】黒磚茶、安茶及びプアール茶から選ばれる一種以上の黒茶の抽出物を有効成分とするセラミド又はグルコシルセラミド産生促進剤。【選択図】なし