On the front gillette fusion power features five powerglide razor blades spaced closer together for a comfortable shave this design distributes the shaving force across the razor blades to help reduce pressure supplying more comfort and less irritation than mach3 product features precision trimmer handles tricky areas such as sideburns and under the nose battery power for soothing micropulses that help reduce friction and increase razor glide so you will barely feel the blades lubric