MT 2 (Melanotan II) Polar Peptides We are OBSESSING over this Melanotan II transformation After only 14 days using the Melanotan injections combined with one day of laying in the sun, can you believe the difference?? Nothing No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melatonin and Vascular Function Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn