Tanning from the inside out = Highly Dangerous and Illegal! Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such 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 Melanotan II A Sun Kissed Look, and a Confident You.