Can You Use Melanotan Long Term? You Should Avoid Using Nasal Tanning Sprays 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 Burning for a Tan: Why Sunbeds and Melanotan Aren't Worth the Risk Young Scot Melanotan II (MT II) Peptide Therapy Beverly Hills The Dark Side of Melanotan Tanning Injections: My Personal Experience Revealed