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 an overview ScienceDirect Topics Melanotan 2 Australia: Instagram push of illegal drug mello, m2 Herald Sun Here's the part nobody explains when they're selling you the "Barbie drug.", , Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin cells to MT 2 Melanotan II 10 mg