What it is: MAC Lip Pencil is designed for shaping, lining or filling in your lips for a defined lip look with long-lasting color. What it does: MAC Lip Pencil features a smooth, creamy texture that won't skip or drag and applies quickly and precisely. It's available in a wide selection of colors that work well with many different lipstick shades. How to use: Before applying your lipstick, line your lips using the the tip of the pencil. Pro tips: Try a shade slightly deeper than your lipstick and blend with a brush for a fuller lip look. Style Name: Mac Lip Pencil. Style Number: 10823U 1. Available in stores.