Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News 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 Fresh warning for 'Barbie drug' Medical Republic Melanotan II Peptide Australia MT 2 Research Grade Pept 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