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 The Risks of Fast Tanning 'Barbie Drug' Explained Ever Clinic Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Lets look at sunless tanning, ., Firstly theres the injections and nasal sprays which typically have an active ingredient called melanotan. This is a synthetic compound that stimulates the Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News