Do you struggle with feelings of dryness in the mouth? AO ProRinse Hydrating mouthwash saturates your mouth with moisture as it refreshes breath and encourages a balanced oral environment. PerioSciences clinically tested antioxidant technology is combined with a targeted combination of proven moisturizers, botanicals, and breath-freshening zinc compounds to bathe oral tissues in a cascade of freshness and help rebalance moisture levels.