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 MT 2 Melanotan II 10 mg Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan 1 (10 MG) Sigma Compounds MELANOTAN I PEPTIDE 10MG VIAL UMBRELLA Labs