In such cases, to promote growth of eyebrows, just eat a healthy protein rich diet and take some multivitamin supplements for some days. The most important nutrients are biotin, silica, magnesium, sulfur, zinc, and vitamin B6
. There are many eyebrow growth products in the market, but their efficacy has not been scientifically proven. Finally one can resort of hair transplantation also.
It can also be due to fungal infection of the scalp( tine capitis).