Melanotan 2 Injectable Peptide MELANOTAN II LifeStyle Peptides Melanotan 2 For Sale (10mg) Core Peptides Melanotan 2 (10 MG) Sigma Compounds 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 I accidentally undid years of skin work and didnt realize it until it was too late., At the beginning of November, I started taking melanotan 2 and honestly?, I loved it., My tan deepened