What are the recent findings on the safety and efficacy of melanotan for therapeutic and cosmetic use? 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 longer lasting than Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas