Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News Brits buy 17 illegal 'Barbie' tanning injections that 'lead to kidney failure, brain swelling and hallucinations' 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 I was addicted to illegal nasal tanning sprays I loved the confidence my 'glow' gave me, but it had scary side effects Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old