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 The News Movement (@thenewsmovement)s video of tanning TikTok No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 50 Weeks on Melanotan2. Used to be Type 1 and never able to tan. Have never felt better! Beard color change is epic : r Melanotan2