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 Mole Moles, Melanoma, Cancer Prevention Britannica The mole guide: what does a cancerous mole look like? Harley Medical Group Are Moles Preventable and Are They Dangerous? Marietta, GA The ABCDs of moles and melanomas CancerNetwork