Waterproof Guyliner in Black. Intensify your eyes in a single swipe with this men’s waterproof guyliner by Lapcos. Black gel eyeliner looks like a pencil, but has a supersoft and smudgeable gel formula that lasts longer than most pencil liners. Retractable, twist-bottom applicator includes a built-in sharpener that’s easy to clean, so you’ll always have a fresh tip at hand. Gel-based formula glides on super smooth with an intense, black shade that’ll last through the toughest of days. Waterproof guyliner for men is the easiest way to create a variety of men’s eye makeup looks from gently lined lids to dark, smoky eyes.