Black beans are rich in protein, a variety of minerals and trace elements. Its flavor is sweet, flat and non-toxic. It has the effect of relieving symptoms and clearing heat, softening blood vessels, moisturizing the skin, nourishing blood and calming the liver, tonifying the kidney and strengthening the yang, and replenishing the deficiency and black hair. Black beans benefit the kidneys, vinegar is sour, sour things can tonify the liver. Black beans soaked in vinegar can nourish the liver and kidneys, and nourish the essence and blood. Kidneys are good when the blood runs well, and people with good kidneys have shiny and smooth hair and black color. Long-term consumption can have an inhibitory effect on gray hair, and it needs to be taken consistently to be effective.

White hair can still be reversed to a certain extent, can become black. First, in the youth of gray hair, after the use of diarrhea, liver, liver with rest, diet can turn good. Second, in older people, such as in the 50-60 years old, gray hair is sometimes also after a period of swing, and eventually white to black, black to white, and eventually come to a larger when it is difficult to reverse. If you use vitality su oral liquid and kidney tonic drugs later in life, you can sometimes stop it from turning white or make it reverse to black.

The color of hair is determined by the amount of pigment particles in the hair. There are melanocytes in the hair follicle, and melanocytes can synthesize melanin to maintain normal hair color. If the function of the melanocytes declines or the melanocytes are destroyed, they cannot synthesize melanin, resulting in hair graying. Therefore, there are many reasons for the formation of gray hair: first, the common cause is called alopecia areata, and alopecia areata is due to genetic factors leading to the premature decline of melanocytes, and therefore hair graying occurs in childhood or adolescence. There is no specific treatment for this condition, and it can be solved by coloring the hair. Secondly, white hair is easy to appear called baldness, baldness is also called ghost shaved head, it is a kind of mental induced and immune-related hair loss disease. Therefore, you can use topical glucocorticosteroids and hair growth drugs to treat baldness, which can also make gray hair black. Third, vitiligo, vitiligo hair whitening treatment principle and vitiligo treatment is similar, can use topical glucocorticosteroids, calcium-modulated neural phosphatase inhibitors, can also use phototherapy.