Melanotan II in Santa Barbara, CA Eternity Health Partners 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 Cancer Association of South Africa (CANSA) Fact Sheet and Position Statement on Sunless Tanning Frontiers Activation of Melanocortin 4 Receptor Inhibits Both Neuroinflammation Induced by Early Exposure to Ethanol and Subsequent Voluntary Alcohol Intake in Adulthood in Animal Models: Is BDNF the Key Mediator?