Eyelashes are a first line of defense for your eyes, keeping airborne dirt, dust, lint and other debris from reaching the delicate eye tissues. With eyes open, eyelashes catch some airborne debris, but when closed, eyelashes form a nearly impenetrable barrier against foreign irritants in the eye.

Why do eyelashes make you look prettier?

They make you look young:

It is found that dark eyelashes highlight the white part of the eyes known as the sclera. The brighter it looks, the younger it makes you look. And if you have ever noticed, you might know that the blink of women is slower than those of men.

What actually helps eyelashes grow?