The Risks of Fast Tanning 'Barbie Drug' Explained Ever Clinic 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 Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian