Why did the Egyptian Pharaoh paint such heavy eyeliner?

Egyptian pharaoh painted eyeliner

Thick eyeliner improved the gaze posture, and at the same time protected the eyes from eye diseases or infections caused by flies. In fact, in the Egyptian concept, thick eyeliner is not only to beautify makeup, but also to please the gods, avoid glare from the sun, and drive away bugs with germs. So even children will use cosmetics to highlight the beauty of their eyes.