Jeyes smart brush concentrated gel limescale remover removes thick limescale in one application within 5 minutes its super concentrated gel formula delivers less mess less waste and superb sparkle to sinks taps showerheads shower screens tiles and more simply squeeze the gel onto the brush and apply directly to limescale areas leave for 5 minutes then rinse thoroughly with waterwarningcontains formic acid keep out of reach of children and always read instructions before use