If a person's hair falls out, pay attention. Hair loss will affect people's beauty and bring stress to people's spirit. The key is that hair loss does not rule out physical health problems and should be taken seriously. If hair loss occurs, you should go to the hospital to check the cause in time and treat the symptoms after diagnosis. When choosing shampoo, be careful not to choose products with stimulating content. What are the causes of hair loss? Let's take a look at it next.

First, what is the reason for washing your hair and losing it?

The causes of hair loss when washing hair are nutritional deficiency, chronic diseases and seasonal effects, including physiological and pathological factors. Normal people lose their hair every day, usually 40-80. This is a kind of metabolic and physiological loss, and hair will naturally grow out. In autumn, because the weather is dry, sebaceous gland secretion is reduced, and it is easy to fall off when washing hair, as long as it does not exceed 100, it is normal.

Second, the cause of hair loss

1. Seasonal alopecia is generally easy to lose hair in summer, because the high temperature in summer leads to hair loss due to pore expansion, and it is not easy to lose hair in autumn and winter, because the temperature drops and the pores close during this period.

2. Chemical hair loss Chemical factors can lead to hair color change or even hair loss.

3. Physical alopecia The common physical factors leading to alopecia include mechanical stimulation and exposure to radioactive substances.

4. Nutritional alopecia is the external manifestation of physical condition. Malnutrition and abnormal metabolism can cause changes in hair quality and hair color, and severe malnutrition can even lead to diffuse hair loss.

5. Infectious alopecia The infection of various pathogens is an important factor of hair diseases, mainly including bacteria, viruses, fungi, spirochetes, parasites and other infections.

6. Congenital alopecia and developmental defects lead to complete hair loss or thinning. Patients often have sparse and slender hair, or their hair is normal at birth and will not regenerate quickly, which can be divided into isolated defects and other deformities.

7. Endocrine hair loss The growth of hair is affected by many endocrine hormones, so when endocrine abnormalities occur, it often causes hair loss diseases, such as postpartum and menopausal hair loss.

Third, diet conditioning.

It is not advisable to eat bitter food, but should eat more milk, beans, black sesame, mushrooms, spinach, celery, black fungus and other foods.