Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Melanotan II (Tan Jabs): Why They're Not Worth The Risk Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and 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