It is possible to darken eyebrows, but it is related to the cause, such as skin diseases, Alezzandrini syndrome or congenital disorders, and the normal physiology of albinism can lead to eyebrow whitening. Some diseases cannot make the eyebrows white. 1. physiological phenomenon: eyebrows, hair in the number of melanocytes scarce or lack of such, the elderly with the age of hair loss of pigmentation is a normal physiological phenomenon, eyebrows can not become black. 2. skin disease: such as vitiligo, involving local skin and hair follicles, can also lead to local eyebrow white. This type of active treatment has the possibility of becoming black. 3. Alezzandrini syndrome: that is, Alezzandrini syndrome, patients can appear eyebrows, eyelashes gray, and accompanied by unilateral vitiligo and retinitis, etc., the eyebrows can not become black. 4. Congenital diseases: such as Vogt-Koyanagj-Harada syndrome, eyebrows and eyelashes gray, can also involve hair and body hair. Eyebrow whitening if there is local inflammation, it is recommended to follow the doctor’s advice to actively treat, but the eyebrow can not become black. 5. Albinism: It is an abnormality of melanin caused by gene mutation, and patients can have snow-white skin color and white eyebrows. This disease can not be cured, and eyebrows can not become black. In daily life, we must pay more attention to personal hygiene, diet must be more light and less greasy, balanced nutrition, reasonable combination, and regularly to the hospital for review.