1. Yellow white clothes are washed white with rice washing water. Soak yellowed white clothes in rice washing water, add proper amount of laundry detergent, and wash them according to normal laundry procedures to make yellowed clothes as white as new. White clothes are often washed with rice washing water, which is not easy to yellowing.
2. Tips for white washing of white clothes: Take 2 fresh lemon slices for large areas of yellowing (cotton, linen and other plant fibers, chemical fibers), add water, burn the switch and dry the clothes to warm water, soak the clothes for about 1 hour, and dry them as white as new.
3. Washing with vinegar: 250ml white vinegar is used as the material. Add white vinegar before washing the clothes, and the white clothes will be as white as new.
4. Wash white with baking soda. Fill a basin with hot water, put dyed clothes into it, and add 10 spoons of baking soda per liter of water. Then cover the clothes with laurel leaves, leave them for one night, and wash them the next day. The clothes will be clean.
5. For many expensive clothes such as silk, wool, down jackets, etc., use neutral detergent instead of alkaline detergent. Before washing clothes, be sure to read the taboos on the washing label. The white clothes should be dried in the sun as little as possible. Do not expose them to the sun. This will make the white clothes yellow. After washing, just put them in a cool place to dry slowly. In alternate seasons of temperature, white clothes that are not worn should be sealed with plastic bags after washing. When they are taken out next year, they will be as white as new and will not turn yellow.