How to turn white when white sneakers turn yellow

The landlord looks at my best.

If these stains are removed, potassium permanganate can be soaked in water at a ratio of 1:2 and applied to the stains, and then when the stain color becomes light yellow, then use another brush to soak oxalic acid and water in a dilute liquid dip of 1:10 to soak the brush, and then wash off the oxalic acid, dry it with a soft cloth, and the stain can be removed.

When you want to put it away in the future, you should pay attention when washing, and try not to use laundry detergent and soap. Because the "sulfonate" substance left by laundry detergent and soap can also make white shoes yellow.

After brushing the white sneakers, wrap them in toilet paper and when they are dry, they will be white.

One look at it tells you why you didn't learn chemistry well in high school upstairs and why it turns yellow because your shoes are fake.

It's bleached, it's oxidized, so it's yellowed... How to do it? In addition to bleaching, there's another way to buy a pair.

Clothes, it's simple, just buy hydrogen peroxide and soak it back, of course, the premise is that your clothes are white...

If you don't mind, you can throw your shoes into the hydrogen peroxide as well.

Take soap or laundry detergent.

1. Put the shoes in a basin of water, add an appropriate amount of laundry detergent, and soak for a while.

2. Brush the shoes with a brush and rinse with water until there is no foam.

3. Take a water basin, open a bottle of vitamin C, take more than a dozen fierce grains and put it in, and add a small amount of Wu Kai water to dissolve the vitamin C. To speed up dissolution, warm water can be added and the vitamin C tablets can be rubbed by hand into a powder.

4. Use a brush dipped in vitamin C aqueous solution, brush the cavity to call the yellowing of the upper many times, and the upper can be as white as new.

There are two reasons why shoes turn yellow: one is that they are oxidized by exposure to the sun after washing, and the other is that they are prone to yellow spots after tidal or sweating. 1. When washing and bringing water, bread a facial tissue on the shoes, and it is best to let the facial tissue stick on the wet shoes, so that after drying, you will magically find that the paper on the shoes is yellow, and the shoes become very white.

2. Wash the shoes first, then dilute the bleach with water according to the instructions, then soak the shoes in about 20 minutes and take them out, rinse them with water again, and then paste a paper towel to dry them when drying. 3. Baking soda, whether it is yellowed sneakers or clothes, all are killed, as long as a spoonful of baking soda is dissolved in a small basin of water, and then the shoes to be washed are soaked in for a while, and then soaped to wash, if the yellow is very stubborn, use hot water with baking soda to soak the shoes to ensure that the shoes are white back.