“Tanning nasal sprays are supposed to allow you to inhale the product into your nose and develop a tan rather than applying a product to your skin,” says Christine Ko, MD, a Yale Medicine dermatologist and dermatopathologist and a professor at the Yale School of Medicine in New Haven, Connecticut. “Tanning nasal sprays can be dangerous because they are not FDA-approved, and it is not always clear what is in them.”
Here’s what else experts want you to know about this dangerous trend.