You can't purchase anything more powerful to eliminate oral malodor. This Anti-Bacterial Mouth Rinse keeps working for hours. ZYTEX neutralizes volatile sulfur compounds (VSC's), the primary cause of oral malodor. Meanwhile, our new active ingredient kills gram-negative bacteria responsible for VSC production. And because BreathRx is 100% alcohol-free, it won't harm or dry oral soft tissue. Anti-Bacterial Mouth Rinse scientifically eliminates malodor and kills odor-causing bacteria. * New active ingredient: Cetylpyridinium Chloride. * Contains breath cleansing ZYTEX. * Kills odor-causing bacteria on contact. * Kills bacteria associated with plaque and gingivitis. * Alcohol-Free. * Improved Clean Mint taste.