PROBLEM TO BE SOLVED: To provide a cosmetic composition having excellent antiseptic properties and high moisture retention properties.SOLUTION: A cosmetic composition comprises a specific acylproline or a salt thereof and a specific hydroxamic acid derivative, a specific acetophenone derivative or a specific diol compound.SELECTED DRAWING: None【課題】防腐性に優れ保湿性の高い化粧料組成物を提供する。【解決手段】特定のアシルプロリン又はその塩ならびに特定のヒドロキサム酸誘導体、アセトフェノン誘導体又はジオール化合物を含む化粧料組成物。【選択図】なし