Melanotan II Safety: Tanning Injection LIVV Natural Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and longer lasting than Uses of Melanotan II_Chemicalbook We are alerting the public of the serious health risks posed by the unauthorised substance Melanotan 2, often described as a self tanning aid. We strongly advise members of the public not to