Xylitol is a sugar alcohol. It looks and tastes like sugar- but that's really where the comparison ends. Whereas Sugar wreaks havoc on the body- Studies show that Xylitol can actually aid your body! In fact, your body makes its own xylitol in small quantities. Adding xylitol to Nasal Spray has been shown to  aid in stopping bacteria from adhering to your nasal walls and aids in the moisturizing process for longer lasting relief!