Suitable for removing stains and discolouration from white and colourfast fabrics this complex can bleach whites and helps to brighten yellowed or greying fabrics made from 100 sodium percarbonate created through the absorption of hydrogen peroxide by soda heat activates the hydrogen peroxide to degrade which breaks down into water soda and active oxygen the oxygen molecules work by breaking down and oxidising the stains particularly effective on natural stains such as grass fruit e