What it is: An eyeliner that gives you crave-worthy color that lasts all day and night-up to a full 24 hours. What it does: From precision definition to a sultry smolder, the possibilities are endless. It includes a smudge tip and a built-in sharpener and is resistant to smudging, sweating, heat and humidity. How to use: Use the pencil to draw a line directly onto your eyelid. For a smudged effect, blend before it sets.