Nasal spray tanning: The beauty fad that's having dangerous consequences Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Doctors warn against tan injections Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Fake tanning Melanoma Fund UK Avoid those tanning injections! Amy Jayne Aesthetics