Tanning peptides like melanotan are trending online, but they're not approved, not regulated, and illegal to advertise in Australia. When products haven't been properly tested, there's no way to know what's actually Up to a million Britons use steroids for looks not sport Health The Guardian What are 'melanotan' injections? Explaining the controversial tanning drug Dazed 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