This ophthalmologist-tested liquid eye liner adds definition to your lash line and won’t flake off, stain, or irritate the eye. The easy-glide, hydrating formula features castor oil and hyaluronic acid to promote thicker, fuller-looking lashes over time - without the use of irritating or harmful ingredients. This clean eye liner is safe for even the most sensitive eyes. Safe for sensitive eyes, dry eyes & contact lenses