Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Emerging Threat: Melanotan, Repackaging, and Online Sales Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) You Should Avoid Using Nasal Tanning Sprays No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky