Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Targeting the central melanocortin system for the treatment of metabolic disorders Nature Reviews Endocrinology