MAC Technakohl Liner is a mechanical pencil-style liner. Our M·A·C retractable eyeliner formula is soft and creamy with intense, rich colour. Blends on application: Dries quickly to a long-wearing, smudge-resistant finish. Versatile. An easy eyeliner for waterlines. When applied at a 90 degree angle, provides a thin precision line. For thicker application, apply this liner at a flat angle.