What it is: A true-matte liquid eyeliner that glides on smooth and precise lines—perfect for creating any look, from a thin line to a dramatic cat eye.What Else You Need to Know: Roller Liner Waterproof Liquid Eyeliner features an easy-glide, precision, felt tip for sharp, controlled lines and a super-smooth application. The quick-dry, waterproof formula lasts up to 24 hours, and won’t fade, flake, bleed, or smudge.Clinical Results: In a self-evaluation by 101 women, after 1 week:- 94% said it creates a smooth continuous line- 93% said it doesn’t tug or drag on skin- 91% said it stays put