The green walnut skin gets black on the hand because it contains "walnut cyanidin" which is suitable to be used in the coloring agent of hair dye. The skin is easily stained, and can only be removed slowly by frequent hand washing and by the body's own skin epidermal cell metabolism, aging, and shedding.

If you wait for the color to fall off on its own for a long time, you can use some tips to quickly remove the color on your hands:

1. White vinegar has the effect of removing pigmentation, you can use a certain amount of vinegar water to remove the color.

2. Soap is alkaline and the juice of walnut skin is acidic, the color can be removed by neutralizing the acid and alkali.

3. Windex is an organic solvent, you can use windex to dissolve the pigment to remove the color.

4. Laundry detergent can find some fine sand mixed with laundry detergent can be used to remove the color of the hands.

5. You can also apply some alcohol or gasoline to remove the color from your hands.

Expanded

The peeling method:

1. Natural drying

Healthy and disease-free, no insect pests, the skin intact walnuts, down the tree, natural drying a few days, the skin appeared folded and dried, the skin will be naturally away from the bone with the nuts, but there are injuries to the walnuts, the green skin localized already blackened, it does not apply to this method, because it will cause the skin to dry. Apply this method, because it will cause Yin skin.

2. Artificial peeling

Specific steps: the first knife will be a large piece of green peeling, combined with water with an iron brush to continue to brush the remaining remnants of the green peel, and finally with a fine needle and toothbrush to carefully clean. The whole process is best done with rubber gloves, otherwise the skin on your hands will be stained black.

Note: Do not let the juice of the green skin splash other skin, or it will ulcerate, because the walnut's green skin is also known as the "green dragon clothes", the juice is very poisonous. And don't splash it in your eyes.

3. Artificial ripening method

With 200 times liquid "ethylene glycol" solution evenly sprayed on the green skin, a full day later, the green skin will automatically separate.

4. maceration method:

The green walnut with straw, straw and other things covered, let it fermentation, green skin maceration on the natural peel.

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