Features 1. **Waterproof Formula**: Our eyeliner pen features a waterproof formula that ensures your eye makeup stays intact all day, no matter the occasion. Perfect for long-lasting wear! 2. **Double-Ended Design**: With two tips for versatile application, this eyeliner pen allows you to create both fine lines and bold strokes effortlessly, catering to all your makeup needs. 3. **Smooth Application**: Formulated with high-quality acrylic copolymers, our eyeliner glides on smoothly without tugging, making it easy to achieve the perfect look every time. 4. **Portable & Convenient**: Compact and lightweight, this eyeliner pen is designed for on-the-go use, fitting easily in your purse or makeup bag for quick touch-ups anytime, anywhere. 5. **Easy to Use**: Simply shake, press, and draw! The user-friendly design allows for quick application, making it ideal for both makeup beginners and professionals. Our brown double-headed waterproof seal eyeliner is carefully formulated with acrylic (ester) copolymers and propylene glycol. Designed specifically to enhance ductility and make the drawing process smoother. The usage method is extremely convenient: Please shake the pen core well before use. Press the end of the eyeliner with the end of the seal. Fill the eye line along the base of the eyelashes with the tip of the pen and adjust the details. And it adopts a seal design, which is suitable for quickly creating an eye makeup style.