Brand from Japan: Kao. Easy brushing with these granules* for busy people.The crumbled granules* penetrate into hard-to-reach crevices, cleaning your teeth without you even noticing!Highly concentrated fluoride (1450 ppm).Remains even after rinsing! Formulated for long-lasting fluoride absorption.Cavity prevention continues with every brushing.Contains a disinfectant (cetylpyridinium chloride) to prevent bad breath and gingivitis.