What it is: A natural-hair eyeliner brush with a precisely angled head and razor-thin edge.What it does: Ideal for use with powder eyeliner, gel eyeliner or eyeshadow products, this brush is ideal for precise eyelining and winging on your upper and lower eyelid, close to the lashline. How to use: Use to apply your eyeliner with confident precision, or use for eyebrow definition. Natural hair Cruelty-free