·Adopting brand-new pigment penetration control technology to achieve the strongest fluency and color rendering in history! ·Upgraded ultra-durable waterproof formula and quick-drying formula, strong resistance to sweat, tears and grease, eyeliner is not easy to fade and melt. ·The 0.1mm ultra-thin elastic pen tip, with smooth and smooth strokes, can draw the ultimate eyeliner smoothly from the top of the eye to the head and tail. ·Extremely thick black lines, creating deep eyes. It can be easily removed with warm water, and it will not hurt the delicate skin around the eyes when removing makeup. ·Newly added the moisture-locking and moisturizing ingredient Lipidure, and also contains hyaluronic acid, collagen, wild rosehip extract and Panthenol repairing ingredients to care for the eye skin. 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.