Melanotan Peptide Dangers: 9 New Moles in 2 Weeks Tanning Dazed Buy Melanotan II Pre Mixed Peptide from Peptide Works Tan without frying in the sun? Yep. Melanotan II boosts your body's own melanin production, giving you a natural bronze with less UV exposure. Plus, it comes with some surprising extra benefits 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