Bobbi Brown’s 24 Hour Waterproof Kajal Liner delivers intense, pigment-rich color in a single sweep, thanks to a smooth, creamy formula that glides on evenly for precise, low-fuss definition. Designed for the lash line and waterline, it sets to a waterproof finish that stays smudge-, fade-, and flake-proof, resisting sweat, humidity, and transfer for up to 24 hours with minimal need for touch-ups.A sleek stick and precision tip give steady, beginner-friendly control for clean, crisp lines or softly smudged edges, while the ophthalmologist-tested formula supports comfortable, reliable all-day wear.