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 FOI 1103 1819 document 1 Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and Illegal tanning nasal sprays being pushed by social media influencers 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 (Tan Jabs): Why They're Not Worth The Risk