| abstract |
(57) [Summary] Piper Metishikum (Piper Met) (Hysticum) or an extract thereof as an active ingredient, and can be used as a skin external preparation or an oral administration preparation. [Effect] It has excellent melanin production promoting effect, It can be suitably used as an external preparation for skin, an oral administration agent and the like, and can prevent and improve melanin production deficiency such as alopecia and vitiligo. |