Philips Sonicare W2 Optimal White, Genuine Replacement Toothbrush Heads, White, 4 Pack, HX6064/87 Reach a more radiant smile with this clinically tested teeth whitening brush head replacement from Philips Sonicare. Notice results after just one week while experiencing an exceptional everyday clean. The diamond-shaped bristle area is designed to increase surface contact and clean away stains more effectively. The results speak for themselves with up to 100% more stain removal in less than two days². The W2 Optimal White electric toothbrush heads are also very efficient when it comes to plaque removal: they use densely-packed bristles to remove up to 7x more plaque than a manual toothbrush. Trust proven Sonicare technology: the Philips Sonicare toothbrushes clean gently yet effectively and care for your teeth and gums with up to 62,000 bristle movements. Dynamic fluid action supports the bristles to clean by driving fluid deep between teeth and along the gumline. All Philips Sonicare brush heads are meticulously designed and clinically tested to meet the highest standard in quality, safety and performance. They are compatible with all Philips Sonicare electric toothbrushes5. Dental professionals recommend changing your brush head regularly, that's why Philips Sonicare toothbrushes have BrushSync technology. It tracks how often and how hard you brush, then reminds you to replace your brush head once it's time for a new one. You will also know when to replace it when blue bristles turn white. ¹ vs. a manual toothbrush ² in white mode vs. a manual toothbrush 5 not compatible with Philips One handles 6 in hard-to-reach areas Digitial Display: N Electric: N Rchargeable: N Sensitive: N Whitening: N World Wide Voltage: N Experience an exceptional everyday clean, achieve whiter teeth and reach a more radiant smile with these clinically tested toothbrush heads 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 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 that tracks how often and how hard you brush