Sensotouch 3d shaving head. P p the gyroflex 3d contour following system adjusts easily to the curves of your face, minimising pressure and irritation for a close shave. P p the shaving head has 3 specialised tracks slots for normal hair, channels for long or flat laying hair and holes for the shortest stubble on your face. The dual blade system built into our electric shaver lifts hairs to cut comfortably below skin level for a closer shave. P p the aquatec wet and dry seal lets you choose how you prefer to shave. You can get a comfortable dry shave or a refreshing wet shave using a shaving gel or foam for extra skin comfort. P p easily renew your shaving unit using our click off, click on system. P p every year your blades travel the height of mt. Everest... 49 times! After such a workout, even the best materials can lose their edge. Retain your shaver's peak performance by replacing heads every 2 years. P