Is this injectable tanning drug safe to use? The Risks of Fast Tanning 'Barbie Drug' Explained Ever Clinic Dangerous' tanning products promoted by influencers Melanotan What It Is and Its Relation to Skin Cancer Melanotan injections are sold illegally and possibly unsafe Cancer Research UK Cancer News 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