Clinically important side effects of Melanotan II and placebo Download Table A Current Affair: Tanning 'Barbie drug' a danger to users, experts say Health warning over banned tanning drug The Canberra Times Canberra, ACT Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky