Provided is a new cholesterol synthesis promoter. This cholesterol synthesis promoter uses, as an effective component, at least one component selected from the group consisting of Uncaria gambir extracts, copolymers having a 2-methacryloyloxyethyl phosphorylcholine group, retinol acetate, and Psophocarpus tetragonolobus extracts.本發明提供一種新穎之膽固醇合成促進劑。本發明使用選自由兒茶萃取物、具有2-甲基丙烯醯氧基乙基磷酸膽鹼基之共聚物、乙酸視黃醇酯、及四棱豆萃取物所組成之群中之至少1種成分作為有效成分。