Rimmel London Brow Pro Micro 24Hr Precision-Stroke Pen in 04 Dark Brown is designed to help you achieve bold, perfectly defined brows with natural-looking hair-like strokes. The ultra-fine tip makes it easy to apply precisely and fill in sparse areas for fuller, well-shaped brows. This smudge-proof, long-lasting formula ensures your brows stay in place for up to 24 hours, resistant to sweat and humidity. The dark brown shade is ideal for those with dark hair, creating deep, defined brows. Whether you want to fill in, shape, or define your brows, this brow pen is your perfect solution for a natural yet defined look.