Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News White model Martina Big, who now a ''black' after taking tanning injections, announces plans to move to Africa. The 'Barbie' Tanning Dr*g That Could K*LL You When Beauty Turns Ugly 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 Say NO to tanning injections and nasal sprays. They are illegal in the UK and have serious, harmful side effects