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 A Current Affair: Tanning 'Barbie drug' a danger to users, experts say Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas Melanotan II is the product that's been dubbed the "Barbie drug" on social media, and promises to give users a tan without the sun but it can have serious side effects including, in rare cases,