Essence Eyeliner Pen Waterproof Waterproof Eyeliner: The eyeliner pen is waterproof, smudge-proof and long-lasting for flawless application. Deep Black Color: The rich, deep black color provides a bold, dramatic look. Cruelty-Free Formula: The eyeliner is vegan, cruelty-free and free of harsh chemicals. Oil-Free and Acetone-Free: The formula is oil-free and acetone-free for sensitive skin. Fragrance-Free: The eyeliner is fragrance-free for sensitive skin and a clean, crisp scent