Green walnut skin contains tannic acid. This juice will oxidize and turn black when exposed to air. If it is stained on your hands, it will be difficult to clean. It requires repeated washing to remove it. If it has just been stained, For juice, you can carefully clean it with salt. If the juice has dried, you can put a little vinegar to clean it at this time. The effect is quite good. Of course, you can also use baking soda to clean it.

How to remove the green walnut peel juice from your hands as follows:

1. Freshly stained with juice. If you have just stained the walnut peel juice, you can immediately apply salt to the stained area, then wet it with water and clean it with soap.

2. The juice has dried. If the area where the walnut skin juice is stained has dried, pour vinegar here and rub it, then let it sit for five minutes, and finally rinse it with water.

3. Safflower oil, dip a cotton swab in a little safflower oil or essential oil, and wipe it on the area where the juice is stained.

4. Baking soda, dissolve the baking soda in water, and then use it to scrub the area stained with juice.