Lifeproof your liner! We heard you—and we brought back the cult classic Stay Put Infinite Liner, but this time it’s better than ever. Meet your forever eyeliner, with a bold black opaque formula and precise brush designed to effortlessly achieve killer sharp lines. This eyeliner is the definition of serious staying power, delivering 24HR wear that's also sweat-proof, waterproof, and totally life-proofed.