THE ULTIMATE MISTAKE-PROOF APPLICATION! With NYC’s High Definition Liquid Liner you can forget those messy traditional liquid formulas that require a steady hand. The chic, liquid pen delivers smooth, fast-drying results whether you want a super-thin modern line or a thick, full-blown retro cat-eye flick. And the formula is smudge-proof and long-lasting—up to 10 hours of wear! HIGH GLAM WITH MINIMAL EFFORT. UBER-BLACK PERFECTION IN AN INSTANT!