Well the main reason, it’s believed, is so that rain and sweat is kept out of our eyes keeping our ability to see intact.
The arched shape forces the moisture to run down the sides of our face and keeps our eyes dry and free from the salt in sweat.
This was obviously beneficial for early man in his daily fight for survival.
If you find this hard to believe, try shaving off your brows, going out in the rain and running fast for a mile or two. You’ll notice the difference.
Eyebrows are also helpful in preventing small items such as dust, dandruff or grit from falling into the eyes and causing eyesight damage.
Eyebrows are able to give the face expression and show surprise or anger.
Today’s eyebrows play more of a cosmetic role. Being one of the most distinctive features they shape and frame the face. Therefore grooming them regularly is very important to the overall appearance.
Tweezing, threading or waxing are all methods of tidying up stray eyebrow hairs used by both men and women and the sales of eyebrow cosmetics grow yearly as more and more companies try to meet the insatiable demand for new and better products.