Get the Look of Microbladed Brows...Without the Commitment! Benefit's Brow Microfilling Pen creates the illusion of natural brow hair with 3 ultra-fine lines in a single stroke. It's designed to blend in with existing hairs, fill in gaps AND make brows appear where before there were none. The easy-to-apply formula of this brow pen looks natural and is waterproof, smudge-proof and longwearing, creating a microbladed effect that lasts for 24 hours. No pain, no commitment, just great brows! This brow-boosting pen creates the illusion of naturally fuller arches by imparting three ultra-thin lines with each stroke. Whether you use it to fill in gaps, build volume or even extend your shape, prepare to redefine your eyebrow game. Plus, it boasts a long-wearing, waterproof *and* smudge-proof formula so you can relax in the knowledge that your brows aren't budging. The sheer tinted formula comes in four shades that suit warm, cool and neutral undertones to help you find your feathery-browed fit.