What should I do if white clothes turn yellow and cannot be washed out?

White clothes can be matched with anything, but many times, we don’t like to buy pure white clothes. I believe many people know the reason. That’s right, white clothes will turn yellow after being worn for a period of time, and the pure white clothes will feel particularly ugly, as if they have not been washed clean. Why is this? Now, the editor will give you some tips. Teach you how to clean yellowed clothes. What should you do if the white collar turns yellow?

How to wash yellowed clothes? What to do if yellowed clothes cannot be washed out?

How to wash yellowed white clothes: 1. Reverse drying method. When drying clothes, turn them inside out with the inside facing the sun and the outside facing the shade.

Method 2 to wash yellowed white clothes: Add alum. When washing synthetic fiber clothes, add some salt to the water; when washing high-quality clothes, add a small amount of alum to the water. These can prevent or reduce the fading of clothes. (Alum is available at pharmacies)

Method 3 for washing yellowed white clothes: acid washing. When washing colored fabrics, adding 1-2 spoons of vinegar to the detergent can also prevent the clothes from fading.

How to wash yellowing white clothes 4. Ink drop method: In a basin of clean cold water, drop 3-5 drops of pure blue ink, stir it with your hands, then put the washed white shirt into the water, pull it up and down 3-5 times, and take it out to dry.

Method 5 for washing yellowed white clothes: Add hydrogen peroxide to bleach silk and wool fabrics. You can use 3% hydrogen peroxide with the liquid volume being 10 times the weight of the fabric. Add a little ammonia water to make it weakly alkaline. After bleaching for 5-10 hours at room temperature, wash and dry.

Method 6 to wash yellowing white clothes: Add lemon juice: When washing white silk fabrics (such as white socks), add some lemon juice in the water, soak for 10 minutes, then rinse with clean water to make the clothes whiter.

There are many things to pay attention to when the collars of white clothes turn yellow. White clothes must be washed separately and not washed together with other clothes. Try not to leave foam from soap, laundry detergent, etc. on the clothes. Then place it in a cool place to dry slowly. Never expose it to the sun and try to avoid it as much as possible. Because direct sunlight will make white clothes turn yellow.