Melanotan and the Posterior Reversible Encephalopathy Syndrome Annals of Internal Medicine 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 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 Melanotan II improved sociability index scores but did not affect Download Scientific Diagram What are 'melanotan' injections? Explaining the controversial tanning drug Dazed Is this injectable tanning drug safe to use?