Pyoderma Gangrenosum Secondary to Melanotan Cureus Melanotan 1 (10 MG) Sigma Compounds 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 vs. Astaxanthin for Glowing Skin What is melanotan and why is it so dangerous? There has been a worrying increase in the number of young people using sunbeds. Some people are also using nasal sprays and injections with melanotan II in to boost their tan. This isn't