Xlear Nasal Spray - The only nasal wash that combines the unique properties of the natural substance Xylitol, and the health-promoting practice of a saline nasal spray to help wash, hydrate and moisturize the nasal passages. Xylitol is among bacteria’s natural enemies. When certain harmful bacteria enter the body, they attach to the membranes of the nose and throat. Xlear Nasal Spray safely and naturally flushes harmful bacteria away.