Melanotan 2 (MT 2) 10mg Peptide Bank Melanotan II (MT 2) 10mg Cyclic Heptapeptide Research Midwest Peptide That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin 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