An innovative waterproof liquid-gel liner pen that creates a flawless line in one simple stroke for your most beautiful eyes. If you want to know more… Developed with plastic surgeons, Superhero Liner gives your eyes instant definition in one simple stroke—whether you want to create a thin, thick, or cat-eye line. Unlike typical liner felt-tips, this innovative liner pen features a unique IT Cosmetics Heavenly Skin brush hair tip that won't fray and delivers precise, effortless application.