Melanotan 1 vs. 2: My Summer Journey & Real Results Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan II (Tan Jabs): Why They're Not Worth The Risk No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Melanotan II PERMANENTLY Darkened My Skin! 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