1) Eyeliner is a cosmetic used to define the eyes. It is applied around the contours of the eye(s) to create a variety of aesthetic effects.Eye liner is commonly used in a daily make-up routine to define the eye or create the look of a wider or smaller eye. Eye liner can be used as a tool to create various looks as well as highlighting different features of the eyes. Eye liner can be placed in various parts of the eye to create different looks with a winged eye liner or tight lined at the waterline.
2) Eye liner can be drawn above upper lashes or below lower lashes or both, even on the water lines of your eyes. Its primary purpose is to make the lashes look lush, but it also draws attention to the eye and can enhance or even change the eye's shape.