BioXtra Toothpaste natural antimicrobial formulation helps to cleanse the mouth- tongue and teeth without burning or stinging. It is especially gentle on dry or sensitive skin and helps to maintain the mouths delicate eco-system. BioXtra toothpaste has a rapid- prolonged effect against plaque-causing- biofilm bacteria. Not only does BioXtra help to cure dry mouth it also discourages mouth ulcers- promotes fresh breath and helps to strengthen teeth.