Our 5-day dental powder contains sodium bicarbonate, wheat starch. It helps remove dirt and freshen and whiten teeth. The way to use it is simple: clean the mouth with warm water before using the tooth powder, then rub the surface of the teeth with cotton wool, and rinse the teeth with hot water until the teeth are clean. Protect gums after use to provide protein and protect tooth enamel, whiten teeth teeth as bright as pearls, remove stains on teeth farewell to black and yellow teeth.