Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Tanning from the inside out = Highly Dangerous and Illegal!, Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such as injectable Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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