Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Is Melanotan the New Solarium for a Perfect Tan? 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 Been testing out MT 1 peptide (Melanotan I) lately and honestly this stuff works. Originally developed for skin protection and UV resistance, but most people know it now for boosting melanin and giving Melanotan II Erectile Dysfunction: What the Research Shows and Practical Considerations