Features: 1. **Waterproof Formula**: Our chocolate eyeliner is designed to withstand water and sweat, ensuring your eye makeup stays flawless all day long, no matter the conditions. 2. **Long-Lasting Wear**: Enjoy vibrant color that lasts! Our eyeliner features a color-locking formula that resists fading and smudging, keeping your look fresh from morning to night. 3. **Smooth Application**: The specially formulated tip allows for easy and precise application, enabling you to create delicate lines and bold looks effortlessly, perfect for any occasion. 4. **Natural Look**: The rich chocolate hue is ideal for achieving a natural eye makeup look, enhancing your eyes without overpowering your features, suitable for everyday wear. 5. **Convenient Usage**: Simply sharpen the pen tip before use for optimal performance. The easy-to-use design makes it perfect for both makeup beginners and professionals alike. Our waterproof eyeliner (chocolate color) is carefully formulated with triethanolamine and propylene. Designed specifically for easily drawing smooth eyeliner with clear contours and less prone to smudging. The usage method is extremely convenient: Sharpen the pen tip before use to ensure it is sharp enough. Gently draw delicate lines along the contour around the eyes. And it has a long-lasting color-locking formula, is sweat-proof and oil-proof, and is not easy to come off makeup.