When it comes to creating the perfect eye makeup look, the waterline is often overlooked. However, finding the best waterline eyeliner can significantly enhance your eyes, making them appear larger and more defined. The challenge, though, is finding an eyeliner that stays put on this moist, delicate area without smudging or causing irritation. In this detailed guide, we’ve curated the best waterline eyeliners to help you achieve a smudge-proof, long-lasting look. Whether you prefer pencils, gels, or liquid liners, our top picks cater to every preference and need.