Estee Lauder Double Wear Infinite Waterproof Eyeliner in the shade Blackened Onyx is a long-wearing, smudge-proof, and waterproof eyeliner that delivers rich, intense color to the eyes. The formula is designed to last for up to 24 hours and features a creamy texture that glides on smoothly and evenly. It comes with a built-in sharpener for precise application and is suitable for use on the waterline and lash line.