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 Melanotan II Wikipedia Not all self tanners are created equal. Emerging ingredients like melanotan, melanoidins, and other agents raise safety and concerns, according to the Journal of Drugs in Dermatology. If you have questions about the No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky