Revlon ColorStay Eyeliner™ Pencil delivers rich, lasting color that looks freshly applied all day long, and glides on smoothly in totally wearable, everyday shades. Whether you want to go subtle or dramatic, this eyeliner pencil creates the look you want and stays on strong. Formulated with ColorStay Adapti-Flex Color Lock Technology™. Waterproof, smudge-proof, fade-proof, and transfer-proof. Up to 24HR wear. Plus, it has a built-in sharpener and smudger. Suitable for use on waterline, comfortable to wear, and easy to remove. Ophthalmologist tested.