Walnut juice handles that turn black can be cleaned in the following ways:
Use soapy water: Soak your hands in warm soapy water, soak for a while, rinse with water. This method can effectively remove the black marks left by walnut juice.
Use baking soda: Mix baking soda and warm water into a paste, then apply this paste to your hands, leave it for a few minutes, then rinse off with water. The alkalinity of baking soda neutralizes the acidity of walnut juice, thus removing black marks.
Use white vinegar: White vinegar is a natural cleanser that is acidic and able to react with alkaline substances in walnut juice to remove black marks. Pour the white vinegar over your hands, rub it gently, and rinse off with water.
Use toothpaste: Toothpaste contains abrasives and detergents that remove black marks left by walnut juice. Squeeze some toothpaste into your hands, rub it gently, and rinse it off with water.
Use of alcohol: Alcohol is a common detergent that disinfects and removes black marks. Pour alcohol onto a cotton ball or cotton pad, gently wipe the black marks on your hands, and rinse off with clean water.
Use sandpaper or a whetstone: If none of the above methods work, you can try using sandpaper or whetstones to gently sand the black marks on your hands, but pay attention to the strength and direction to avoid damage from your opponent.
It is important to note that when using these cleaning methods, they should be tested on small tablets** to confirm any allergies or uncomfortable reactions. At the same time, it should be carefully and gently rubbed and massaged when cleaning to avoid excessive force and damage. If the walnut juice on your hands has dried, you can soak it in warm water to soften it before washing. In addition, to avoid staining with walnut juice, wear gloves or apply a protective film (such as cooking oil or hand cream) to your hands beforehand when handling walnuts.
In conclusion, cleaning the black marks left by walnut juice requires patience and care. Choosing the right method and doing the right testing and gentle rubbing can help you effectively remove these marks and restore the whiteness and shine of your hands. At the same time, in order to prevent similar situations from happening, it is recommended to take precautions when handling colored foods such as walnuts to avoid staining and stains.