What about black neck?

Most people will show neck black, this situation is actually caused by the pigmentation of the human body, you can choose some beauty methods to make the neck white, the specific methods are as follows: 1. You can use exfoliating products to clean the neck once a week waste horn.2. You can also wash the neck, tomatoes, potatoes, cucumbers and other foods cut into pieces, and then apply to the neck. 3. After washing the neck, soak the paper film in milk or soy milk, and then take out the mask applied to the neck or whitening mask to apply the neck, generally apply it for about 15 minutes to wash off. These methods can effectively improve the neck black.