Walnut is a very common nut food in daily life, especially now a large number of fresh walnuts are on the market, which are liked by many people. Walnuts are rich in many nutrients, but many people find their hands are very black after eating walnuts. What's the matter? Walnuts are delicious, but the cost is not small, isn't it embarrassing?
Why can eat walnut hand blacken?
The juice of the green skin on the outside of the fresh walnut can make the hand black. Because the walnut skin contains tannic acid, it will turn black after oxidation, and it is not easy to wash it off, so it is better to wear a pair of rubber gloves when eating the walnut. It is not recommended to wear a one-time hand cover because it is easy to break.
How does eat walnut hand blacken to do?
1. Vinegar cleaning
The quickest way to remove the black part of your hand is to use strong acid substances. But strong acid substances are harmful to your skin and will cause corrosiveness to your skin. Therefore, it is suggested that vinegar, which is not so strong in acidity, can be used instead. Wash it with vinegar for about 5 minutes and then wash it with water.
2. Grape juice cleaning
In fact, after eating the walnut fingers black can try to use grape juice cleaning, because grape juice contains a lot of fruit acid, cleaning effect is also very good.
3. Natural abscission
If you don't pay special attention to the image, in fact, wash your hands several times a day. After three to five days, the black color will disappear naturally. Melanin will be metabolized by the skin cells of the human body, and will be removed slowly after aging.