Could users of new drug be dying for a killer tan? thv11.com Characteristics of Subjects Receiving Sunlight With or Without a Download Table Melanotan II Peptide: How to get the Perfect Tan Without Beds or Sprays 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 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