Epidermal keratinocyte proliferation accelerating agent, skin turnover promoter, skin metabolism promoting agent, skin external composition, epidermal keratinocyte proliferation promotion method, skin turnover promotion method, and skin metabolism promotion method

摘要

Problem to be solved: to provide a preventive agent which can prevent and improve the aging phenomenon of the skin caused by various factors such as aging and ultraviolet rays, and aging odor, which is considered to be one of the causes of deterioration of skin environment due to deterioration of skin environment, and head odor (including scalp odor).Solution: the epidermal cornification cell growth promoter, the skin turnover promoter, the skin metabolism promoting agent, or the skin external composition comprising the lactone compound represented by the following formula (I) are used as the active ingredient.These epidermal keratinocyte proliferation promoters, skin turnover accelerators, skin metabolism enhancers, or skin external compositions, including these, skin peeling, smear, loss of sharks, hallowing, pigmentation, skin toning, skin roughness, skin roughness, aging odor Used to prevent and / or improve at least one symptom selected from the group consisting of head odor.(R is an alkyl group of 2 to 9 carbon atoms)No selection