Hypoallergenic Formula: The eyeliner is formulated to be hypoallergenic and gentle on sensitive skin. Long Lasting Color: The brown eyeliner provides a rich, long lasting color that stays put throughout the day. Waterproof and Smudgeproof: The eyeliner is waterproof and smudgeproof, so it won't smudge or run. Easy to Apply: The eyeliner comes in a tube that is easy to apply with a brush or your finger for a smooth line. Suitable for All Skin Types: The eyeliner is suitable for all skin types and won't cause irritation or allergic reactions.