Automatic eyeliner pencil twists up. Glides on. Smudges to a smooth blur of colour with the convenient smudge tool on the opposite end. Needs no sharpening-silky formula is always ready to line and define with ease. Stays on all day. Ophthalmologist tested.How to Use:Swivel up only 1/8-inch (pencil does not retract to avoid exposing formula to air, which is drying).Line eyes.Use the smudging tool on the opposite end to gently smudge colour to desired effect.Allow colour to set for 60 seconds to ensure transfer-resistance.Recap securely after using to protect the silky formula.Can be used alone or over eye shadow.Remove with your favourite Clinique eye makeup remover.