Melanotan What It Is and Its Relation to Skin Cancer PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background 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 Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian What is melanotan and why is it so dangerous?