No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melanotan II (MT II) Peptide Therapy Beverly Hills Pyoderma Gangrenosum Secondary to Melanotan Cureus 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 II Safety: Tanning Injection LIVV Natural