Revlon ColorStay Eyeliner gives you rich, intense color and wears up to 16 hours. Its longwearing technology glides on effortlessly and sets quickly for drama and definition. America's 1 long-wear eyeliner glides on with incredible smoothness. No matter what your day holds, this waterproof eyeliner sticks with you Get the drama and definition you've been craving from an eyeliner pencil with this ultra-silky formula. Stays where it's supposed to for up to 16 hours-plus, it's waterproof There's a built-in sharpener on the opposite end, so you always get precise lines. Ophthalmologist-tested, because safety always matters Directions for use Twist the body of our waterproof eyeliner pencil until you have enough color at the tip to work with. Glide it along your lash line, starting from the inner corner of your eye and working outward Eyeliner pencil with rich, intense color Wears up to 16 hours Smear-proof, fade-proof, and waterproof Includes built-in smudger and pull-out sharpener Ophthalmologist tested