The most advanced shaving system, the Series 9000 cuts hairs up to 30% closer to skin with its V-Track precision blades. The shaving heads, with contour detect technology, move in 8 directions to cut up to 20% more hair in a single pass. The GyroFlex 3D system follows every contour of your face and the UltraTrack heads shave every hair in just a few strokes.