Frontiers The melanocortin receptors as targets for general obesity: contextualizing clinical failures and analyzing future perspectives Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology 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 Age related ciliopathy: Obesogenic shortening of melanocortin 4 receptor bearing neuronal primary cilia ScienceDirect What is Melanotan II, the drug that consumers are urged to avoid? Unlicensed weight loss drugs marketed on social media as 'prizes' Weight loss drugs The Guardian