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 Repost: @funct.med.curtis Pop NBC Melanotan II is often known for its tanning effects, but research shows it may do much more than that. It interacts with several melanocortin receptors throughout the Melanotan 1: mechanisms of action, clinical applications and safety_Chemicalbook 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 longer lasting than