What it is: An ultrasmooth gel formula that provides the precision of a liquid liner with a silkier, softer finish. What it does: It goes on foolproof with a brush (sold separately) in an easy dip-and-stroke action. Long-wearing, waterproof and smudgeproof, it's available in a rich array of colors and finishes. How to use: Line your lashes using an eyeliner brush or angled brow brush. For the slickest winged eyeliner, apply to your lashline with