4hw.com.cn: as the saying goes, when you are worried, you will lose your head , describes that stress will make hair white. Nowadays, many young people around us will have white hair. There are two reasons for white hair: congenital and acquired. Congenital white hair often has a family history. Localized white hair is more common. It is more common in the front hair. Acquired white hair has two kinds: old white hair and young white hair. At ordinary times, we can pay attention to the following aspects:
（1） Food conditioning: eat more black beans and black sesame. The best way to eat black beans is to boil them in water. It can also be used to squeeze bean juice. The most effective way to eat black sesame is to fry it.
（2） Keep a good work and rest time, and the inverted biological clock will also cause thick black hair to suddenly produce white hair, so it is important to keep a good biological clock, and try to rest and sleep before 11 o'clock every night.
（3） Massage the scalp. In order to prevent and control white hair, you can use your index finger and middle finger to make small circles on the scalp after getting up in the morning and before going to bed, and rub the scalp. First, massage from the forehead to the back of the head, then from the temples on both sides of the forehead to the pillow. Massage for 1 to 2 minutes each time, and rub back and forth for 30 to 40 times every minute. This massage can accelerate the blood circulation of the hair follicles.
（4） Use weak acid shampoo, if there is a sudden phenomenon of white hair, you should consider whether it is caused by shampoo. The best verification method is to change a bottle of shampoo, and choose weak acid shampoo, once every two to three days.
（5） See a doctor in time. It is a normal metabolic condition for the human body to grow white hair occasionally. However, if the area of long white hair is large, or it is found that there is an increasingly serious situation, it is recommended to go to the hospital in time for diagnosis and treatment.