What is Melanotan II the drug that the TGA urges consumers to avoid? No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Melanotan 2 Reviews, Clinical Trials, and Safety Melanotanassociated melanoma Paurobally 2011 British Journal of Dermatology Wiley Online Library