Melanotan II (Tan Jabs): Why They're Not Worth The Risk Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News 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 Consumers warned to avoid 'dangerous' nasal tanning sprays and gummies The Independent 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 Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report