The Philips Sonicare C2 Optimal Plaque Defense toothbrush head (formerly ProResults plaque control) is perfect for those who want to maintain optimal plaque removal as part of their everyday oral healthcare routine. Densely-packed, high-quality bristles remove up to 7x more plaque than a manual toothbrush. You’ll always get the best possible clean with our BrushSync mode-pairing feature**. The Philips Sonicare W2 Optimal White brush head syncs with your BrushSync enabled Philips Sonicare toothbrush handle**, selecting the optimal brushing mode and intensity level for exceptional whitening. All you need to do is start brushing. The W2 Optimal White's stain-removal pad, made from densely-packed diamond-shaped bristles, removes surface stains caused by food and drinks. You'll notice a whiter smile, up to 100%*, in just 7 days. Philips Sonicare's advanced sonic technology pulses water between teeth, and its brush strokes break up plaque and sweep it away for an exceptional daily clean. Your W2 Optimal White brush head fits perfectly with any Philips Sonicare toothbrush handle, except Philips One and Essence.