Clinically important side effects of Melanotan II and placebo Download Table 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 October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News 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 Pyoderma Gangrenosum Secondary to Melanotan Cureus