G∙U∙M PerioShield Oral Health Rinse provides a unique, plaque-blocking technology that forms a shield to help prevent bacterial plaque from adhering to tooth and gum surfaces. This process of mechanically blocking the plaque from attaching and colonizing has been clinically proven to help prevent and treat gingivitis, a key predecessor of periodontitis. For more information, visit sunstaramericas.com or gumbrand.com.