Sepiwhite Powder/Sepiwhite 99% Powder   Product name: Sepiwhite Powder/Sepiwhite 99% Powder Appearance :white powder or light yellow powder Specification:99% pure powder Sepiwhite MSH powder  is a lipoaminiacid and is primarily an alpha-MSH antagonist and tyrosinase activity inhibitor.Alpha-MSH is a key regulator of melanotropin (skin pigmentation) while tyrosinase is an enzyme which is responsible for melanin production. Inhibition/reduction of these activities thereby …