Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar Melanotan 2 The Revolutionary Way of Achieving a Great Tan by Protein Factory Medium 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 II C50H69N15O9 CID 92432 PubChem