Melanotan II: Tanning injections, nasal sprays harmful to health Melanotan II Supra Chems Melanotan II an overview ScienceDirect Topics Dying for a tan? Dermatologist says tanning drug could be lethal 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 MT 2 (Melanotan II) Polar Peptides