Up to 16-hours of smudge-resistant color. Mechanical eyeliner for smooth, precise application. Sharpener & smudger included. Mechanical pencil. L'Oreal presents Infallible Never Fail Mechanical Eyeliner. Rich creme formula for smooth application. Smudge-resistant, up to 16-hour wear. Built-in sharpener and smudger. Ophthalmologist tested. Suitable for sensitive eyes and contact lens wearer.