Our most advanced rinse ever helps maintain your dental cleaning with clinical strength plaque and gingivitis protection. It is clinically proven to reduce plaque and help prevent plaque regrowth, and clinically proven to prevent and reverse gingivitis in as little as 2 weeks. It also kills 99% of germs to improve breath.; Crest's most advanced rinse ever.; Clinical strength plaque and gingivitis protection.; Helps maintain your dental cleaning.; Clinically proven to reduce plaque and help prevent plaque regrowth.; Clinically proven to help prevent and reverse gingivitis in as little as 2 weeks.; Kills 99% of germs to improve breath.