Experience an exceptional everyday clean, achieve whiter teeth and reach a more radiant smile with these clinically tested genuine whitening replacement toothbrush heads from Philips Sonicare Get up to 100% more stain removal in one week² thanks to the central stain-removal pad; the diamond-shaped bristle area is designed to increase surface contact and clean away stains more effectively Say goodbye to plaque: this whitening brush head uses densely-packed bristles to remove up to 700% more plaque than a manual toothbrush while treating your whole mouth to a refreshing clean Proven Sonicare technology cleans gently yet effectively with up to 62,000 bristle movements; Sonicare Fluid Action supports cleaning by driving fluid deep between teeth and along the gumline BrushSync replacement reminder⁷ tracks how often and how hard you brush; the light on the handle will turn on when it's time to replace your brush head, blue bristles will also turn white These sonic toothbrush replacement heads are compatible with all Philips Sonicare click-on electric toothbrushes⁵: simply click one on or off for easy replacement and cleaning