"Brush away plaque gently yet effectively with this sensitive electric toothbrush head replacement from Philips Sonicare. The brush head makes plaque removal seem effortless while staying gentle on teeth and gums. Enjoy an exceptional everyday clean! The S2 Sensitive brush head features a unique design with long, thin, ultra-soft bristles that keep every brush stroke kind. With more than 3,000 densely packed bristles, this brush head helps you remove up to 10x more plaque than a manual toothbrush, even in hard-to-reach areas. 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. Sonicare 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 toothbrushes⁴. 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 allocated to plastic of brush head on mass balance basis ³ where facilities exist ⁴ not compatible with Philips One handles ⁵ in hard-to-reach areas"