The present invention provides an agent containing an orotic acid derivative that has high solubility in solvent and has superior physiological activity. The agent of the present invention is a melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promoter or wrinkle ameliorant containing as an active ingredient thereof an orotic acid derivative represented by the following general formula (1) or a salt thereof. In formula (1), R preferably represents a side chain of glutamic acid, glycine, histidine or aspartic acid. [In formula (1), R represents a side chain of a naturally-occurring amino acid and R may form, together with a nitrogen atom adjacent thereto through a single carbon atom, a hetero ring].
本发明提供了一种含有芦荟酸衍
生物的制剂,该制剂在溶剂中的溶解度高,并具有优异的生理活性。本发明的制剂是一种
黑色素生成
抑制剂、美白剂、成纤维细胞激活剂、
胶原蛋白和/或
弹性蛋白生成
促进剂或皱纹改善剂,其活性成分含有由下式通式(1)代表的橙花酸衍
生物或其盐。在式 (1) 中,R 最好代表谷
氨酸、甘
氨酸、组
氨酸或
天冬氨酸的侧链。[在式 (1) 中,R 代表天然存在的
氨基酸的侧链,R 可与通过单个碳原子与其相邻的氮原子一起形成杂环]。