Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Unauthorized injectable peptide drugs seized and sold by Canada Peptide may pose serious health risks Canada.ca Melanotan (MT) II Melanocortin Receptor Agonist MedChemExpress Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar FDA Fast Facts 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