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 Melanotan II A Sun Kissed Look, and a Confident You. 50 Weeks on Melanotan2. Used to be Type 1 and never able to tan. Have never felt better! Beard color change is epic : r Melanotan2 Teen Boys and Young Men Are Injecting Peptides in Search of Perfection WSJ Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas