Our brown eyeliner is carefully formulated with acrylate copolymers and ethylene glycol. Designed specifically for creating clear contours and more striking eye makeup. The usage method is extremely convenient: Sharpen the pen tip before use to ensure it is sharp enough. Gently draw along the eyeliner contour to create delicate lines. Easily draw smooth eyeliner with clear contouring and less smudging. Long-lasting color-locking formula, sweat and oil repellent, and less prone to makeup smudge. And it is convenient and flexible to control the thickness of the lines to create different makeup effects.