Whiter teeth in just 1 week vs a manual toothbrush. Advanced cleaning for stain removal & whiter teeth. The Philips Sonicare W2 Optimal White brush head is perfect for those who want to go beyond deep cleaning to remove surface stains for a white, radiant smile. This brush head is also great for maintaining brightness between professional whitening treatments. Achieve whiter teeth in just 1 week vs. using a manual toothbrush. Stain-removal pad, made from densely-packed diamond-shaped bristles, removes. Fits any Philips Sonicare click on toothbrush, simply click off for easy replacement. All genuine Philips Sonicare brush heads are safe and gentle on teeth and gums. During tests, our brush heads are put through their paces to ensure you get exceptional performance and durability each time you brush.