what it is eyestudio master precise all day liquid eyeliner makeup.long-wearing, water and smudge-proof eyeliner delivers precise definition in just one stroke. benefits this waterproof eyeliner features an ultra-fine tip that delivers the most defined, precise line. allure best of beauty award winner 2013. ophthalmologist tested. dermatologist tested. fragrance free. suitable for sensitive eyes and contact lens wearers. disclaimer: due to the difference in lighting used during photoshoots, the color or texture of the actual product may slightly vary from the image.