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 PDF] Melanotan Induced Hyperpigmentation of Oral Soft Tissues Semantic Scholar Melanotan 1 vs. Melanotan 2 A Comprehensive Comparison Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar MT 2 (Melanotan II) Polar Peptides