Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas Melanotan 1 10mg Biochem Peptides 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 reverses memory impairment induced by a short term HF diet ScienceDirect