Benefits: This Powerproof Pen Liner produces strong and clear eyelines. The water-, sweat- as well as sebum-resistant formula will keep your gorgeous eye makeup all day long. Thanks to the film formula, it is easy to eliminate without making any pigmentation within the eyes. How to use: 1. Grip the liner lightly as holding a pencil. 2. Raise the eyelid and also bring a line as to pack in between lashes. 3. After use, place back the cap firmly until you notice a clicking sound.