PROBLEM TO BE SOLVED: To provide a sebum synthesis promoter that promotes sebum synthesis in a sebaceous gland cell, fundamentally improves a sebum deficiency state in the skin and scalp, and has a persistent effect.SOLUTION: This invention provides a sebum synthesis promoter comprising Ampelopsis japonica extract as an active ingredient, and a pharmaceutical, a quasi drug, cosmetics, and food and drink comprising the sebum synthesis promoter.
