WS 7 helps to make dull and colored clothes brighter just like new ones. Optical brightner agent present in WS 7 helps to give ultra white and bright look to white clothes. It is an enhanced formula for cleaning clothes in normal water as well as hard too.
30 gms of WS 7 will be enough for 12-15 clothes. Stir the water lightly till lather is foamed and soak the clothes for half an hour. Scrub the clothes gently and then rinse. Use warm water for best results.