Definition, Defined. Sue Devitt's Defining Eyeliner is an ultra thin, twist up pencil designed for precision. It hydrates as it glides on smoothly, locking in color and moisture beneath its soft velvety texture. This long lasting pencil is transfer resistant, water resistant and smudge proof. No sharpener is required for this revolutionary innovation. Ultra thin, twist up pencil. Hydrates lips. Long lasting formula is transfer resistant, water resistant and smudge proof. No sharpener needed. Especially Suited For: All skin types. Essential Elements: Hyaluronic Filling Spheres and Nylon 12 lock in moisture, and expand and contract with facial expressions without creasing. For Best Effect: Use as directed.