Health warning over banned tanning drug The Canberra Times Canberra, ACT 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 The Dangers of Melanot*n II Explained Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma? ScienceDirect Melanotan II: Tanning injections, nasal sprays harmful to health