Growing a white eyebrow may be a normal physiological phenomenon, or it may be due to vitiligo and other diseases. 1. Some of the hair follicles may be abnormal during the development process, resulting in the emergence of an eyebrow hair is white, is an occasional phenomenon, do not have to worry too much, use scissors to trim off the white eyebrow hair. 2. with age, the decline of various tissues and organs, the function of melanocytes in the hair follicle is gradually reduced, the synthesis of melanin will gradually reduce, will also appear eyebrows, hair white situation, the number will gradually increase, usually not accompanied by other symptoms, do not need special treatment. 3. Vitiligo is an acquired pigment loss skin and mucous membrane disease, can occur in any part of the body, manifested in white patches, white hair and other symptoms, can affect the appearance of the serious, can be controlled through medication, physical therapy and other ways to control the development of the disease, improve the symptoms. It is recommended that healthy people who have a white eyebrow should not be overly nervous and pay attention to the growth of new white eyebrow hairs, and when accompanied by other symptoms, they need to consult a doctor in time in order to clarify the cause of the disease and treat the symptoms.