·Adopting brand-new pigment penetration control technology to achieve the strongest fluency and color rendering in history!. ·Strong anti-friction, make-up lasts all day without smudging. ·Contains anti-smudge polymer with strong water resistance, which can form a water-resistant surface film and easily withstand external impacts. ·The strokes are silky, the texture is soft and waxy and easy to color. ·Natural brown, creating deep eyes. How to use ·At the root of the eyelashes, from the center of the eye to the end of the eye, draw the eyeliner of 1/3 of the end of the eye in a back and forth way. · Then draw the eyeliner from the head of the eye to the back 1/3 of the eye. · Close the cap tightly after use.