Changes in the surrounding hair, from slit eyebrows to false eyelashes Eye It has become an important way to express your personal style. But eyebrows and eyelashes are more than just decorations.
So why do humans have eyebrows and eyelashes?
The main purpose of both is to protect the eyes, said Dr. Stephanie Marionault, a clinical spokesman for the American Academy of Ophthalmology. “Their goal is to be another layer of eye protection, whether the actual eye is liquid, solid, dusty, insect or insect. “
Eyebrows protect your eyes from sweat, dandruff, rain, and other rolling substances, Marionault told Live Science. They may capture or absorb the material, or their angle may point it away from the eyes to the sides of the face.
Eyebrows perform several other functions.For one thing, eyebrows are essential for the transmission of facial expressions and subtle emotions, and according to a 2018 virtual modeling study published in the journal, eyebrow ridges enable more expressive eyebrow movements. May have evolved to Nature Ecology & Evolution..
Eyelashes provide similar protection to the eyes, but they do it differently. “They are almost like beards on the face,” Marionault said. They are long and sensitive. When something touches them, it triggers a blink response as a defensive mechanism. Without eyelashes, it takes time for the blinking reaction to activate. The main trigger is to see something coming in your eyes. “But this gives you a little warning that something that might actually hurt your eyes is nearby,” she said.
Eyelashes can also catch liquids, dust and other eye irritants.And according to a 2019 study, limiting evaporation could help keep your eyes moist. Royal Society Interface Journal..
Depending on the conditions, you may lose your eyebrows and eyelashes. Alopecia, Also known as mottled hair loss, can affect both. Occasionally, the eyelashes may fall off for unknown reasons, or the eyelashes may be pulled out due to irritation or anxiety. In other cases, people with a condition known as trichotillomania are forced to pull their hair.Lack of activity Thyroid Eyebrows may be thin, Lupus It is possible to drop them. Seek medical attention if you notice thinning, falling, or changing eyebrows or eyelashes. Recommended by Marionault.
Be careful if you decide to change your eyebrows for cosmetic reasons other than mascara, especially if you are dyeing. According to Marionault, make sure the dye is safe to use around your eyes and don’t let it soak into the eyes themselves. Eyelashes should not be dyed, but some people use eye drop rush enhancers to make their eyelashes longer and thicker. Eye drops are actually glaucoma drugs that can be used to grow eyelashes. When using this medicine, be aware that it can cause dark circles under the eyes.
Originally published in Live Science.
Why do you have eyebrows and eyelashes?
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