PROBLEM TO BE SOLVED: To provide an adapalene-containing external preparation composition excellent in permeability into keratin and skin.SOLUTION: This external preparation composition is characterized by containing adapalene and menthyl lactate. The external preparation composition, wherein the content of the adapalene is 0.01 to 1.0 mass% based on the total content of the external preparation composition. The external preparation composition, wherein the content of the menthyl lactate is 0.25 to 25 pts.mass per 1 pt.mass of the adapalene is disclosed.COPYRIGHT: (C)2008,JPO&INPIT【課題】角質や皮膚への浸透性に優れたアダパレン含有外用剤組成物を提供する。【解決手段】アダパレン及び乳酸メンチルを含有することを特徴とする外用剤組成物。【選択図】なし