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 7x 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; dynamic fluid action supports cleaning by driving fluid deep between teeth and along the gumline Click-on design: Philips Sonicare W2 Optimal White brush heads fit all Philips Sonicare handles⁵ You'll know when it's time to change the brush head thanks to BrushSync replacement reminder (compatible handles) that tracks how often and how hard you brush, and when blue bristles turn white