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 II (Tan Jabs): Why They're Not Worth The Risk Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid What is the 'Barbie drug' and should authorities be worried? ABC News What is Melanotan II the drug that the TGA urges consumers to avoid?