Colour Catcher + Whitening Power + Stain Remover is a unique formula created for a 3in1 ultimate action pad for whites fabrics. Colour Catcher works to prevent colour runs, so you can mix your whites with coloured laundry. Whitening Power revives whites to their original brilliant white. Stain Remover removes stubborn stains effortlessly. All three actions, in one Colour Catcher for whites pad.