Create a smooth eyeliner look with Infaillible Grip 36H Gel Automatic eyeliner. The gel formula is easy to apply with good firmness to the skin and glides nicely over the eyelid in a smooth line. You can also use the smudger at the other end of the pen to turn a sophisticated line into a smokey eye look. Waterproof, does not smear and sits properly for up to 36 hours. * * Self-assessment, 100 people.