Delivers 12 hour germ-fighting protection to help prevent many common oral health conditions. Complete protection for a healthy mouth Clinically proven non-stop 12 hour protection against bacteria Protects against bad breath, plaque, tartar, cavities, staining, gum problems, sensitive teeth, enamel erosion Clean feeling for 12 hours Starts to fortify enamel within 24 hours Helps to improve gum health within 4 weeks