· Super Slim Brush Tip: You can't get much finer than this! Apply this easy-to-use liquid eyeliner for any style from natural lines to showstopping cat eye and wings. This eyeliner is designed for maximum control and precise application.· Waterproof Liquid Eyeliner: Deep rich formula glides on with ease, dries quickly, and won't smudge for all day wear.· Luscious Lashes: Makeup within the Eye Booster collection are enriched with a Lash-Boosting Complex to strengthen and condition for improved healthy lashes.· Made For Sensitive Skin: Physicians Formula makeup is specifically formulated with your skin and comfort in mind. That's why we use high-quality ingredients, leaving you looking and feeling beautiful from the inside out.· Cruelty-Free: All Physicians Formula foundations, eye makeup, lipsticks, and other cosmetics are always cruelty-free and never tested on animals.