The soft-touch bristles of this Philips toothbrush head removes up to 10 times more plaque than a manual one. With its dynamic fluid action, the brush gently removes build-up in sensitive areas, keeping your gums healthy. It works with your toothbrush's BrushSync reminder feature - the blue bristles also turn white when it's time to replace. Tackle plaque head on with this deep-clean replacement brush head from Philips Sonicare. Designed especially to remove plaque, you'll quickly enjoy whiter, brighter teeth while experiencing an exceptional everyday clean.