Experts lash use of popular social media sun tanning drug Melanotan A Current Affair: Tanning 'Barbie drug' a danger to users, experts say The sale of nasal tanning sprays continues to soar across the UK, despite being illegal and unregulated., They contain the chemical Melanotan II, an artificial hormone that enters the bloodstream and Melanotan & Tanning Injections: Safe or Risky? 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 Health warning over 'dangerous' self tan product after increase in ads