What it is: A precision eyeshadow brush, featuring a unique flattened, tapered tip, perfect for effortless smudging.What Else You Need to Know: The Precise Definition Brush 220 makes it easy smudge out your smoky eye perfectly. Made with soft synthetic bristles in the shape of a flattened dome, the unique brush tip was designed to deliver intense color pay off with minimal fallout and define your lash line, diffuse pencils, and gel eyeliners.