MELANOTAN II PEPTIDE 10MG VIAL UMBRELLA Labs Melanotan II A Sun Kissed Look, and a Confident You. What Is Melanotan, the So Called Barbie Peptide? PS Beauty 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 Melanotan II Safety: Tanning Injection LIVV Natural What is the recommended dosage and mixing instructions for Melanotan 2 (Afamelanotide)?