-Drop-shaped slash pen core design can adjust the thickness as you like-Create natural eyebrows that are clean from the brow to the end-High capacity! Easy-to-break ingredient formula can be used for a long time-Really waterproof formula! Waterproof sweat-proof oil-proof anti-blooming-No need to sharpen the pen auto-rotating type easy to use-Attach a spiral eyebrow brush to the other end to help tidy up the eyebrows