The Sigma Clean Up + Highlight Brow Crayon allows you to create crisp lines on your brows with the bonus of a brightening effect. Soft and blendable, the brow highlighter has a sleek, retractable tip that glides effortlessly over skin to sharpen the look of edges and clean up any brow product smudges for a clean and flawless brow look. Brightens the look of brow bones while creating a crisp brow line. Built-in sharpener. Cruelty-free.