GUM PerioShield is a breakthrough next-generation oral rinse. A proprietary active ingredient (delmopinol 0.2%) in GUM PerioShield breaks down plaque, making it easier to remove and also creates an invisible barrier that blocks plaque from forming on your teeth and gums. It is clinically proven to help reduce plaque build-up and bleeding gums by up to 36%! Visit perioshield.gumbrand.com for more information.