Melanotan What It Is and Its Relation to Skin Cancer 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 Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma? ScienceDirect Melanoma induction by ultraviolet A but not ultraviolet B radiation requires melanin pigment Nature Communications Health warning over banned tanning drug The Canberra Times Canberra, ACT