Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) 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 JLE European Journal of Dermatology Eruptive naevi and darkening of pre existing naevi 24 h after a single mono dose injection of melanotan II View of Association of tanning injection with hypercortisolism, hyperglycaemia and ketosis in type 1 diabetes mellitus British Journal of Diabetes Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News You Should Avoid Using Nasal Tanning Sprays