1. Cover the stain with salt, then immerse it in water, and after a few minutes, wash it with soap. This method is only applicable to the situation that it has just been polluted and has not been dried.

You can wet your hands with vinegar when you are dry. When you get wet, start rubbing your hands. It is best to stop rubbing your hands after they feel warm. Then, after standing for a few minutes, soak your hands in soapy water prepared in advance. After a few minutes, rub your hands again.

3. Clean with the collar net, which has the function of bleaching. Using the bleaching principle, black can be removed quickly. Spray the collar evenly on the black part. Let it stand for a few minutes, then wash it with clear water. This will hurt your hand. After washing, apply some hand cream.

Extended data

Effect of green walnut skin;

1, can cure white hair.

Fresh walnut skin can reduce the white hair on the head, whether it is juvenile white hair or middle-aged white hair. To treat gray hair with walnut skin, tadpoles equal to fresh walnut skin need to be added and mashed together before use. Just smear the mashed walnuts on the white hair for about a week, and the effect is remarkable.

2. Treat oral ulcers

For patients with oral ulcer, take 10 dry walnut shell every day, decoct it with water, swallow it three times a day after 3-5 minutes each time, and take it continuously for 3 days, and the inflammation of oral ulcer will generally disappear.