Our ultimate waterproof formula provides smudge-proof humidity-proof flake-proof and cry-proof wear featuring an ultra-fine brush-tip that delivers any look – from a thin line to a bold dramatic stroke that last up to 16 hours. It glides on seamlessly and smoothly while delivering intense highly-concentrated pigmentation in one easy swipe. This innovative eyeliner features a tank delivery system that allows the perfect flow of pogment with every application offering precision accuracy ease of application and extended wear. Long-lasting waterproof smudge-proof and break-up proof.