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 Get a tan that lasts with melanotan tanning injections! Melanotan stimulates melanin production in the skin, the pigment responsible for giving us that coveted bronzed look. With regular injections, you can achieve 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