King of shaves unique patented superhydrophilic selflubricating replacement king of shaves hyperglide system cartridges create their own hydrogel over the entire front face of the cartridge when it comes into contact with water delivering amazing razor glide comfort and closeness each king of shaves hyperglide system cartridges features a completely redesigned open architecture 5blade rack to help minimise clogging along with even narrower blades for increased shave comfort and precision pl