| abstract |
A melanin production promoter having an action of promoting biosynthesis of melanin and having high safety, a composition for darkening skin, a composition for preventing gray hair, a protective agent against skin damage caused by ultraviolet rays, An object was to provide cosmetics for promoting melanin production. An effective melanin production promoting effect has been found for a curcumin derivative. The curcumin derivative was derived from a plant, and it was confirmed that it was a highly safe melanin production promoter, achieving the purpose. [Selection] “None” |