nnReplace the brush regularly for the best cleansing results. The brush is easy to replace by simply pulling off the brush from the devicenEasy to fit and compatible only with Philips PureRadiance.nThe deep pore brush comes with a unique combination of bristles of thicker and thinner bristles. The thin bristles reach the pores and cleanse them well, while the thicker bristles swipe away the dirt. The brush consists of 20,000 bristles smaller than the size of your pores, for a superior cleanse. An easy way to a clean and healthy looking skin without impurities.<br>