Wilkinson Sword Hydro 5 Cartridges with Skin Guards help to reduce irritation with a unique flip trimmer. Wilkinson Sword Hydro 5 Cartridges are designed with an advanced Hydrating Gel Reservoir which works to keep your skin hydrated during your shave - to reduce irritation and pr you with maximum comfortability. They are also designed with skin guards which prevents your skin from getting caught in between the blades. For a smooth and comfortable shave; Use Wilkinson Sword.