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 Can peptides keep you young and buff? ABC listen An unhealthy glow? A review of melanotan use and associated clinical outcomes ScienceDirect Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News