Rimmel Wonderproof Eyeliner Waterproof offers long-lasting, smudge-proof definition with its high-impact, waterproof formula. Designed to withstand water and sweat, it provides intense color that stays put throughout the day. The eyeliner glides on smoothly for precise application and easy blending. Perfect for creating bold, enduring eye looks that resist fading and ensure your makeup remains flawless, even in challenging conditions.