Inspired by traditional calligraphy instruments, this paraben-free, long-wearing, fade-proof, carbon black liner glides on effortlessly, creating a cat eye effect with a single fluid stroke. It's fortified with Eyeko's signature WIDELASH technology a tripeptide blend that enhances lash growth and strength for visible results in as little as fifteen days. About Eyeko We're smitten with British cosmetics label Eyeko, whose award-winning products have caught the eye of celebrities around the world. Co-founded nearly fifteen years ago by Max and Nina Leykind, the collection specializes in products that create jaw-dropping eyes with fuller brows, healthier lashes and defined lines.