No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky How Long Does Melatonin Take to Work? Understanding Injection Tan and Melanotan 2 Melanotan II (MT II) Peptide Therapy Beverly Hills Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically 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