1, health reasons

Body blood deficiency and kidney deficiency, Chinese medicine believes that hair loss is due to blood deficiency and loss.

2. Collagen loss

With the increase of age, collagen loss is inevitable.

3. Genetic reasons

If the patient suffers from seborrheic alopecia, there will be hair loss. This is because there are congenital defects in human hair follicles.

Second, external reasons

1, external stimulus

Such as long-term use of hair dye for a long time, or frequent use of hair dryers and electric heaters to perm hair.

2, improper diet

If you eat too much greasy food, it will cause fat metabolism disorder, or malnutrition may affect the blood supply of hair follicles, hinder the normal growth of hair and lead to hair loss;

3. Bacterial and viral infections

Due to lack of attention to head hygiene, bacterial infection and insufficient blood supply to hair lead to hair loss;

4. Mental problems

If there are mental symptoms such as nervousness or fear, it will lead to endocrine disorder, which will make the metabolism of Xincheng in the body abnormal and affect the normal blood circulation, thus leading to insufficient nutrition of hair and hair loss.

Third, the cause

1, anemia

Experts say that iron supplementation can help improve anemia symptoms. Lack of vitamin C, intake of caffeine or alcoholic beverages are not conducive to iron absorption. It is recommended to drink fruit juice and eat foods rich in iron to restore hair growth.

2, eating disorders

Reducing food intake will lead to the decrease of scalp blood flow, which will affect the normal growth of hair, and even lead to the loss of luster or even loss of hair in severe cases. Experts say that hair loss is rarely permanent, but keeping a balanced diet and taking more protein is very important to prevent hair loss.

Hair is made of protein. When the protein of hair follicle is at the lowest value, it is particularly important to eat more protein (especially breakfast). In addition, the diet should be rich in vitamins (especially B vitamins), zinc and important fatty acids.