Melanotan II: Before And After Tan, Bodybuilding 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 Comparing Melanotan Peptides With Traditional Tanning Methods For Safer, More Effective Results Age Well ATL We are OBSESSING over this Melanotan II transformation After only 14 days using the Melanotan injections combined with one day of laying in the sun, can you believe the difference?? Nothing Dangerous' tanning products promoted by influencers BBC News