PROBLEM TO BE SOLVED: To provide an adapalene-containing external agent composition excellent in permeability through keratin or skin.SOLUTION: The external agent composition contains adapalene and taurine. Further, the above-described external agent composition comprises an adapalene content of 0.01 to 1.0 mass% based on the whole external agent composition.COPYRIGHT: (C)2009,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】アダパレン及びタウリンを含有することを特徴とする外用剤組成物。【選択図】なし