1. Power-proof brush liner that has long lasting protection against sweat, oil and water. 2. Elastic brush type that even newbies can use to create detailed eye look. 3. Strong water resistant & high coloration formation that creates elaborate looks. 4. Film formulation type that cleanses clearly without stain.Usage tip 1. If there is still a lot of content left, wipe the makeup residue on the brush with a tissue and shake it again before using. 2. After using the product, please keep the brush tip down so that you can experience the iridescent color of the eyeliner for a long time. 3. If the contents come out work well, please shake 3-4 times before use. 4. Unlike ordinary brush pen liners, which are absorbed by the sponge filter, ink tank type eyeliner is able to emit ink like a fountain pen, providing vivid color from beginning to end.Volume 100mlHow to use After apply toner Apply appropriate 1~2 times by pumping.