Revealed: Hidden dangers behind trend of tanning drops, sprays and injections Tanning from the inside out = Highly Dangerous and Illegal!, Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such as injectable Thinking about that tanning nasal spray? Don't. Unregulated nasal tanning sprays are being sold online, claiming to give you a sun kissed glow. But they're risky and illegal. According to the Chartered Trading 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