Our Waterproof 4D Mascara is perfect for those who want lengthened and volumized lashes without the hassle of traditional false eyelashes. The crescent-shaped brush head fits the physiological curve design of the human eyelashes, making it easy to apply. At the instant of application, it is evenly applied to the root to the tip of each eyelash, so that the eyelashes are naturally long and more attractive. This waterproof mascara doesn't smudge or flake and stays in place until you remove it, which are flexible and remain clean. Removes easily with soap and water, not hurt your lashes.