There are many reasons for hair loss.

1, seborrheic alopecia: more common in young people, manifested as thick oily secretions on the scalp, bright, sparse, sparse hair, or dry, dandruff, dull, sparse, slender.

2. Pathological alopecia: It is mainly caused by viruses, bacteria and high fever that damage hair mother cells, inhibit the normal division of hair mother cells, and make hair follicles in a state of shock, which leads to hair loss.

3. Chemical alopecia: the damage of harmful chemicals to scalp tissue and hair follicle cells leads to alopecia.

4, nutritional alopecia: malnutrition caused by digestive and absorption dysfunction leads to hair loss.

5, obesity and hair loss: a large number of saturated fatty acids are metabolized in the body to produce waste, blocking hair follicles and causing hair loss.

6, hereditary hair loss: hair loss is also hereditary, generally male is dominant inheritance, female is negative inheritance.

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