Eyebrow

Categories: Aesthetics, Anatomy, Lookism

The '''eyebrow''' is hair above the eyes. Its function is to prevent [[sweat]] from dripping into the eyes, blinding vision.

Another possible function of the eyebrow is to enhance the prominence of the [[brow ridge]]. The eyebrow contours the brow ridge very closely, in effect making the brow ridge appear more prominent. Having a large appearing brow ridge makes the face appear more masculine, which could be beneficial in intimidating intrasexual rivalries. This function is similar to the effect of the [[beard]] of making the [[jawline]] more prominent (Puts 2010). Thus, eyebrows could be thought of as a type [[facial hair]] because it has an overlapping function to beards and [[moustache]]s.

The [[eyebrow flash]] is used in many cultures as a greeting. The effect of the eyebrow flash is that it makes the brow ridge less prominent. This therefore has a appeasing effect. Many people unconsciously raise their eyebrows higher as a signal of submission when they nervous around other people (especially strangers or authority figures).

Some women raise their eyebrows to appear more [[feminine]] in pictures, as it makes the brow ridge appear less prominent.

Some men do the reverse and [[squint]], lowering their eyebrows.

==References==
*Puts, D. A. (2010). [http://dieoff.com/_Biology/BeautyAndTheBeast.pdf Beauty and the beast: Mechanisms of sexual selection in humans.] ''Evolution and Human Behavior'', 31(3), 157-175.

==See also==
*[[Fivehead]]
*[[:Category:Aesthetics|List of aesthetics]]

[[Category:Aesthetics]]
[[Category:Anatomy]]
[[Category:Lookism]]
{{Lookism}}
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