Pro Longwear Fluidline Eye Liner And Brow Gel Gel Formula, Long-Wearing, Precise Ultra-smooth, Fluidline's gel formula provides the precision of a liquid liner with a silkier, softer finish. Goes on foolproof with a brush in an easy dip-and-stroke action. Long-wearing, 16 hours. Smudge-resistant. Lines up in a rich array of colours and finishes. Brush sold separately.