Urban Decay 24/7 waterproof liquid eyeliner. Draw liquid lines so sharp they could cut glass. Urban Decay ’s slender brush lays down long-lasting matte, slick and shimmery shades sure to satisfy your colour lust. Achieve clean, sharp waterproof lines with shocking ease. Urban Decay’s 24/7 Waterproof Liquid Eyeliner is available in a veritable rainbow of long-lasting, highly pigmented shades—ranging from matte to glossy to shimmery! (And why would you only buy one? Try them all!) Use the ultra-fine brush tip to create lines that are razor-thin or thick, even and bold. The brush is also short and easy to control, making it ideal for liquid liner newbies.