 XLEAR. Clear's drug-free nasal spray features xylitol, an ingredient proven to block adhesion of many nasty bacteria and viruses, and effectively clean. Not just rinse like a saline, but wash your nose. Clear nasal spray quickly alleviates congestion, opens your airway, and ensures your body's natural defenses are strong. Read the research studies for yourself at clear.com. That's XLEAR.com. Protect yourself from the pathogens and junk you breathe. Pick up a box...