When used as directed, it is clinically proven to give you fresh breath for over twelve hours. sweetened it with xylitol for an invigorating Icy Mint flavor. Xylitol is a natural, non-sugar sweetener that has clinically proven oral health benefits TheraBreath Fresh Breath Oral Rinse, Icy Mint fighting bad breath with sodium chlorite, an oxygenating ingredient that targets and kills the bad breath bacteria sweetened it with xylitol for an invigorating Icy Mint flavor. Xylitol is a natural, non-sugar sweetener that has clinically proven oral health benefits