Dangerous' tanning products promoted by influencers BBC News 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 Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky