HANFEI
MEDICAL COSMETOLOGY GROUP

---

Nine common types of hair loss, don't you want to know which one you are?


Nowadays, more and more people lose their hair and the age of hair loss is getting younger and younger. Hair loss has become a very concerned issue to everyone. There are many reasons for hair loss. What are the specific reasons? This article will introduce nine common types of hair loss to you.

Nine common types of hair loss
 

1. Androgenic alopecia

Androgenic alopecia is a polygenic disease that belongs  autosomal dominant inheritance.The sensitivity of local scalp hair follicles to androgens increases, resulting in miniaturization of hair follicles and thinning of hair shaft, the clinical manifestations are that hair becomes thin and sparse. It usually appears in men, women are less common, and the symptoms are milder  relatively.

2. Neurological alopecia

When mental stress is too high, hair loss often increases. Under the effect of mental pressure, the arrector pili muscle contracts, hair becomes upright, functions of Central nervous system disorder, hair papilla changes and is undernourished, resulting in hair growth inhibition, hair into the resting period and hair loss.

3. Endocrine alopecia

Endocrine dysregulated alopecia is caused by dysregulation of hormones in the body due to abnormal function of endocrine glands.Postpartum, menopause, oral contraceptives, etc., will cause estrogen deficiency and hair loss within a certain period of time;Pituitary dysfunction, adrenal tumors, advanced acromegaly, etc., can cause hair loss.

4. Nutritional hair loss

Hair is an external manifestation of physical condition. Malnutrition and abnormal metabolism can cause changes in hair quality and hair color; severe malnutrition can even lead to diffuse hair loss.Insufficient intake of staple foods can easily lead to deficiency of Qi and blood and insufficient kidney qi, leading to hair loss.

5. Physical alopecia

Common physical factors causing hair loss include mechanical stimulation and exposure to radioactive substances.Mechanical alopecia is the breaking or shedding of hair caused by some special hairstyles, such as women's braids and men's hair style, which can cause mechanical physical alopecia.Hair should be kept loose and elastic against the pressure. Peking Opera performers and female athletes often pull their hair back for performances and competitions, and tie it tightly with ribbons or rubber bands. The hair is directly pulled by the tension, which tends to cause the forehead hair to break off and the hairline to recede. Ultraviolet rays in the sun are overirradiated, hot air is often used, and hair tends to become thinner.

6. Chemical alopecia
 

Chemical factors can cause hair color changes or even hair loss. Chemical hair loss is more common in patients with tumor diseases who are treated with anticancer drugs. Long-term use of certain chemicals and chemical substances eventually causes hair loss. Hair cosmetics such as perm, hair rinse, hair dye, etc. that do not meet the national regulations are also common causes of hair loss.

7. Infectious alopecia

Infection of various pathogens is an important factor in hair diseases, including bacteria, viruses, fungi, spirochetes, parasites and so on.

8. Congenital alopecia

The hair caused by developmental defects is completely absent or sparse. The patients usually have sparse and thin hair, or hair is normal at birth but soon falls off without regeneration. They can be divided into isolated defects and other deformities.

9. Seasonal alopecia

Generally, it is easy to lose hair in summer, because the high temperature leads to the expansion of the pores. It is not easy to lose hair in autumn and winter, because the temperature decreases during this period, the pores close.

If hair loss is serious and the scalp has been exposed, it can be improved by hair transplantation.