Tanning, fake tan and Melanotan Cancer Research UK 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 An overview of benefits and risks of chronic melanocortin1 receptor activation Bhm 2025 Journal of the European Academy of Dermatology and Venereology Wiley Online Library