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 Melanotan (MT) II Melanocortin Receptor Agonist MedChemExpress Martina Big, 36, who is from Germany, and her husband Michael Eurwen, 38, who both injected Melanotan, a synthetic hormone to darken their skin have announced that they are planning to permanently Skin Tanning Melanotan 2 Melanotan II Mt2 10mg Powder at 963 kg Tannins in Hyderabad ID: 2855300454897 Melanotan vs. Astaxanthin for Glowing Skin