Frontiers Melanocortin therapies to resolve fibroblast mediated diseases 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 Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology Think twice before injecting peptides bought online: unauthorized products can seriously harm you Canada.ca