Melanotan What It Is and Its Relation to Skin Cancer Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles, Tanning, fake tan and Melanotan Cancer Research UK 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