Eyebrows keep falling off may be a normal phenomenon, but also may be related to baldness, contact dermatitis, seborrheic dermatitis and so on.
1. Normal phenomenon: the body hair has a growth period, regression period, resting period, and when entering the regression period, resting period, the phenomenon of eyebrow hairs falling off all the time may occur, but when re-entering the growth period, the phenomenon of eyebrow hairs falling off can be improved.
2. Patchy baldness: the etiology of patchy baldness is not completely clear, and may be related to autoimmunity, heredity, endocrine disorders, etc. The typical symptom of patients is patchy hair. The typical symptom of patients is patchy hair loss, and there is no inflammation or scarring in the hair loss area. People with generalized baldness may show total loss of eyebrows, hair, eyelashes, etc., which may result in the phenomenon of eyebrow hair loss all the time.
3. Contact dermatitis: contact dermatitis is related to contact with exogenous substances, such as caterpillars, plant stems and leaves, daily necessities. When contact dermatitis occurs on the face, the local skin will be stimulated by the phenomenon of eyebrow hair has been falling. Some patients with a long history of the disease may also appear local skin erythema, edema, papules, blisters, flaking, mossy skin and so on.
4. seborrheic dermatitis: seborrheic dermatitis can also cause some patients eyebrows have been falling, some patients will also be accompanied by yellow-red patches, greasy scales, itching and so on. The cause of seborrheic dermatitis is not yet clear, may be related to Malassezia infection, sebum secretion abnormalities.
Eyebrows have been falling out of other causes, such as leprosy, etc. It is recommended that the eyebrows have been falling out of the physical factors, if accompanied by other abnormalities, the need for timely medical treatment.