Get the Look of Microbladed Brows...Without the Commitment! The microbladed look made easy! 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 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!