Developed with plastic surgeons, Superhero Liner gives your eyes SUPERHERO powers and instant definition in one simple stroke-whether you want to create a thin, thick or cat-eye line. Unlike typical felt-tip liners, this innovative liner pen features a unique IT Cosmetics Heavenly Skin brush hair tip that won't fray and delivers precise, effortless application. Infused with lash-enhancing superpower ingredients including peptides, collagen, biotin, keratin and kaolin clay, and featuring proprietary Elastic Stretch No-Skip Technology and a Triple Black Pigment Complex, your Superhero Liner creates a super saturated, super black, super flawless line that won't budge or smudge and becomes one with your lashes! You do IT all... now your liner does, too! Clinically tested results! 24HR waterproof* 100% say it enhanced their eyes' natural beauty* 97% saw a full lash line* *Results observed in a clinical study. Key benefits: Waterproof, easy-glide liner pen gives you effortless application and eye-transforming definition that lasts! Heavenly Skin hair tip for ultra-smooth precision-won't fray like typical liner felt-tips. Proprietary Elastic Stretch No-Skip Technology and Triple Black Pigment Complex create a saturated, intense black line. Lash-enhancing Peptides, Collagen, Biotin and Keratin, plus oil-absorbing Kaolin Clay. How to apply: Lightly glide the brush tip across the base of your lash line, from the inner to outer corners. Press the brush as close to your lash roots as possible for a seamless no-skip glide. Press lightly to create a thinner line, and add slightly more pressure to create a thicker line.