Tanning peptides like melanotan are trending online, but theyre not approved, not regulated, and illegal to advertise in Australia. When products havent been properly tested, theres no way to know Say No to Nasal Tanning Sprays Dermatology Times Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of What are 'melanotan' injections? Explaining the controversial tanning drug Dazed