Constitute The hair follicle is a sheath-like structure around the hair root, which consists of inner hair root sheath, outer hair root sheath and fibrous sheath from inside to outside. 1. Inner hair root sheath The inner hair root sheath originates from the epidermis and is divided into three layers from inside to outside, namely sheath skin, Huxley layer and Henler layer. The sheath   skin, also known as the sheath cuticle, is a layer of overlapping cells; the Huxley layer is composed of 1-3 layers of cells; and the Henler layer is composed of flat cells arranged in a single row. 2. Outer hair root sheath The outer hair root sheath originates from the epidermis and consists of one or more layers of cells. The outer layer is rectangular columnar epithelial cells. 3.  The fibrous sheath The fibrous sheath originates from dermis and can be divided into three layers. The inner layer is a transparent glass-like film. The middle layer is composed of dense and ...

Hair loss due to health problems 1.  Anemia Iron deficiency can lead to anemia, red blood cells are reduced, blood oxygen levels in the scalp are also reduced, hair follicles are in a "hungry" state, eventually leading to hair loss slowly, scalp increasingly apparent. It is recommended to drink juice and eat iron-rich foods to restore hair growth. 2.  Eating disorders Reducing food intake will lead to a decrease in scalp blood flow, which will affect the normal growth of hair, and in serious cases will lead to loss of luster or even hair loss. Experts say that maintaining a balanced diet and taking in more protein . 3.  Stress syndrome When the pressure is high, the  body releases  of many hormones will affect the absorption of B vitamins and the deposition of hair pigments. Stress syndrome can lead to baldness when the immune system mistakenly attacks scalp cells, causing hair to fall off. Expert advice: try to sleep at least 6 hours a ...

To keep healthy Anxiety every day can lead to hair loss, the deeper the degree of depression, the faster the rate of hair loss.   For women, keep the proper   amount of exercise, the hair will shine black, full of vitality. Men often breathe deeply, take a walk, do relaxation gymnastics and so on, which can eliminate the mental fatigue of the day. In addition, there is also a seborrheic dermatitis occurring in the scalp, which can produce symptoms similar to tinea capitis, but will not lose hair. In fact, it is also possible that male baldness, want to know whether  the  hair is falling particularly much, there is a very simple "pull hair experiment": you can gently pull your hair six to eight times, and then see if each pull down more than three hair, if there is, it means that the hair follicle is relatively fragile, should be   paid more attention . Hair loss should be diagnosed as a result of pathological or physiological factors.  If you are wor...

Hair has its own life span. When it reaches a certain length, it will die of old age and fall off naturally. This is a normal phenomenon. Hair loss in this case is common to anyone, and it is often. Abnormal hair loss is due to the influence of hair growth. Hair growth needs nutrition, and nutrition is transported by blood. If a person is sick for a long time, weak body, lack of blood, and poor nutrition, the hair will fall off because of lack of nutrition and poor growth. Such people are prone to hair loss and more. This may be the reason why some people lose their hair sparsely after a serious illness. People use their brains too much, or they often have heavy worries, boredom, or what happens, they are too nervous and their brains are in disorder. Some people encounter something too exciting, the brain is strongly stimulated, the spirit is very abnormal, sometimes overnight on the head of the hair off a large area, in fact, this is how to take off. The re...