1, the first way: hand sanitizer washing. The reason why the walnut skin will be stained because the walnut skin contains a large number of walnut cyanidin, stained to the human hand will oxidize black, life if accidentally stained walnut skin juice can be washed with hand sanitizer can be.

2, the second approach hair: white vinegar cleaning. If the walnut skin liquid stained hands for a while, then it is generally recommended to use vinegar for cleaning, because vinegar contains a large amount of acetic acid, has a strong cleaning effect, can help dilute the walnut green skin pigment.

3, the third approach: soap and water cleaning. Soap water is a class of alkaline liquid, and walnut piquillin is acidic, wash your hands with soap water, you can acid and alkali neutralize the stains off the stained parts.