Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky 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 Barbie Drug, el peligroso medicamento para broncearse que arrasa en TikTok