Final answer:
Mascara enhances the appearance of the eyelashes by darkening, thickening, lengthening, and defining them. It makes the eyes appear more open, awake, and expressive.
Step-by-step explanation:
Mascara is a type of eye makeup that is commonly used to enhance the appearance of the eyelashes. It can darken, thicken, lengthen, and define the lashes, giving them a more voluminous and dramatic look. Mascara helps to make the eyes appear more open and awake, drawing attention to the natural beauty of the eyes. By adding volume and length to the eyelashes, mascara can make the eyes appear bigger and more expressive.