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 It doesn't take much to fall down the Barbie Drug rabbit hole. In self tanner subreddits and on TikTok Shop, the tanning injectionaka Melanotan IIis marketed as a self tanner alternative that works by Dermatologists are sounding the alarm on TikTok famous nasal tanning sprays 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