Melanotan & Tanning Injections: Safe or Risky? 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 2 Dosage: How to Use Melanotan Peptides Safely Buy Melanotan 1 Nasal Spray Ireland PharmaLabGlobal What are the recent findings on the safety and efficacy of melanotan for therapeutic and cosmetic use?