CLIO Superproof Pen Liner - 01 Kill Black 0.55ml CLIO Superproof Pen Liner in 01 Kill Black is a highly acclaimed eyeliner that delivers intense pigmentation and precision for creating bold, defined eye looks. This waterproof pen liner is designed for long-lasting wear, making it a must-have in any makeup routine. Resistant to smudging and fading, ensuring your eyeliner stays intact throughout the day. Suitable for both makeup beginners and professionals, providing versatility in application. Dermatologically tested, making it safe for those with sensitive eyes or contact lens wearers.