PROBLEM TO BE SOLVED: To provide cosmetic compositions which have a high hair growing effect even with reduced amounts of pyrimidine oxide derivatives used.SOLUTION: The compositions contain pyrimidine oxide derivatives represented by the general formula (I) in the figure, and amino acid based surfactants.COPYRIGHT: (C)2015,JPO&INPIT【課題】ピリミジンオキシド誘導体の使用量を低減した場合でも、高い発毛効果を有する化粧料組成物の提供。【解決手段】下記一般式(I)で表されるピリミジンオキシド誘導体とアミノ酸系界面活性剤とを含有する組成物。【選択図】なし