May be both: There many reasons that eyebrow hair fall out. Excessive plucking, rubbing eyebrows from habit, or vigorously applying eyebrow pencil can cause eyebrows to fall out. Other causes for loss of eyebrow hair include low thyroid condition, Alopecia areata (an auto immune disorder), Eczema and several others. Dermatologists can treat this.
Answered 5/16/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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