Gillette sensor 3 disposable razors is a revolutionary new triple blade shaving system for the closest shave ever in fewer strokes and with less irritation the 3 blades are specially positioned to extend gradually closer to your beard to shave you progressively closer in a single stroke so close there is less need to re shave which also means less irritation each blade has a patented dlc comfort edge so mach 3 glides effortlessly across your face and mach3 has an advanced indicator lubri