The Philips Series 9000 electric shavers are the most advanced models Philips makes. The shaver head of the series 9000 moves in 8 different directions to follow the contours of your face this way. Whether you have light or heavy beard growth, you can effortlessly shave your beard with the Philips series 9000 electric shavers. You can also get the most recent addition to the line, the Philips S9000 Prestige. This model notifies you when you apply too much pressure and cleans itself via a cleaning station.