No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky 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 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 longer lasting than Milano Drops Review Before and After Tanning TikTok The Dark Truth About Drinkable Tanning Drops YouTube Warning issued over increased use of 'Barbie drug'