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 Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old Melanotan 2 (10 MG) Sigma Compounds Noventra Pharma MT2 Melanotan II 10mg Multi Dose Pen Melanotan 2 Cyclic Heptapeptide for Melanocortin Research