Melanotan II (Tan Jabs): Why They're Not Worth The Risk 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 What is the recommended dosage and mixing instructions for Melanotan 2 (Afamelanotide)? Melanotan II A Sun Kissed Look, and a Confident You. 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