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 (MT 2) VIAL, (10MG) High Purity Peptide Pure Bio Labs Meet Melanotan II (aka Melanin 2) Peptide Think of this peptide as your sun kissed secret weapon. Melanotan II works by gently stimulating your body's natural melanin productionthe pigment that gives Melanotan 2 10mg Pro Peptide Research Lab