Benefit Roller Liner Waterproof Liquid Eyeliner BLACK. BNIB Glide on a smooth and precise line with Benefit's new roller liner true matte liquid eyeliner. What It Does Perfect for creating any look, from a thin line to a dramatic cat eye, this matte liquid liner features an easy-glide precision felt tip for sharp, controlled lines and a super-smooth application that won't drag. The quick-dry, waterproof formula lasts 24-hours and dries to a natural-matte finish. It doesn't fade, flake, bleed or smudge--so you can let the good times roll all day and night.