Clean Mouth Guard: Infused with calcium lactate and calcium hydrogen phosphate, this formula of teeth whitening powder helps protect your teeth and maintain a clean, healthy mouth. Dissolves Stains & Removes Tartar: Four powerful whitening agents work together to accelerate the removal of tooth stains and tartar for a brighter smile. Balances Oral Environment: Whitening Tooth Powder adds probiotics to inhibit and reduce dental plaque, balance oral flora and improve bad breath. Whitening Technology: Our advanced optical whitening technology neutralizes dark tooth surfaces, giving your teeth a brighter, whiter appearance. The tooth powder turns purple when dipped in water, and the purple color neutralizes the yellow color, making your teeth brighter and whiter. All colors can be rinsed off with water during use, please rinse your mouth with water immediately after brushing! Fresh Breath: Naturally extracted plant menthol and mint flavor provide a refreshing taste that soothes gums and offers a gentle, non-irritating freshness.