Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and longer lasting than October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu 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 Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Melanotan What It Is and Its Relation to Skin Cancer Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology