Can the Mach3 wants to remove anyone emfpehlen of annoying body hair or a beard, the grows not only in one direction. The larger gap between the blades you also transverse hair shaved so pressing. Do not forget to wash after each shave, and to perhaps even be an hour in the water and rinse again. This extends the usefulness and 1/3! After 10 shaves you should but then replace the blade at the latest.