Nortech Labs Melanotan II TAN WITHOUT THE BURN? YES PLEASE!, Introducing BETATAN the nasal spray that gives you that just got back from Ibiza glow without stepping foot outside. , Spray it., Tan it., Flex it., Melanotan II: Tanning injections, nasal sprays harmful to health 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 You Should Avoid Using Nasal Tanning Sprays