PROBLEM TO BE SOLVED: To provide medicines, quasi drugs, or foods for improving rough and dry skin, or materials or formulations which can be contained in the same.SOLUTION: The oral agent for improving rough and dry skin contains chlorogenic acids and contains as an active ingredient coffee bean extract having a mass ratio of chlorogenic acids/caffeine of 65 or more.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】肌荒れを改善することができる医薬品、医薬部外品、又は食品、或いはこれらに配合可能な素材又は製剤の提供。【解決手段】クロロゲン酸類を含有し、クロロゲン酸類／カフェインの質量比が６５以上であるコーヒー豆抽出物を有効成分とする経口肌荒れ改善剤。【選択図】なし
