It depends on the age of the person. If the person is over 50 years old and has gray hair, then he or she will not be able to turn black. If the liver and kidney are weak, you can take the pill to nourish blood and hair, nourish the kidney and hair pill, cystine tablets, He Shouwu tablets. Eat more black sesame seeds, walnuts, black soybeans, He Shouwu, wolfberry and other treatment.

At the same time in the diet avoid eating spicy stimulation fat and greasy food, eat more fresh vegetables and fruits and rich in nutritious food. Pay attention to rest, reasonable arrangement of work and rest time, before eleven o'clock at night must go to sleep. Avoid laboring and staying up late. Quit smoking and drinking.