Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background Melanotan 1 (10mg) Change in moles linked to use of unlicensed sun tan jab The BMJ 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