Long-lasting and waterproof intense black color precise felt tip create sharp lines and flawless wings in one stroke. This liquid pen eyeliner combines an ultra-black, quick-drying formula with a flexible felt tip for complete control from ultra-thin definition along the lash line to bold cat eyes that last all day. Benefits up to 24-hour wear: resistant to smudge, fading and transfer. Waterproof formula that stays put through everyday wear, heat and humidity. Intense, saturated black color that does not turn gray during the day. Quick-drying and easy to apply in even, continuous coats. Precise felt tip that makes it easy to switch between thin and broad lines. Comfortable, lightweight formula that feels flexible on the skin. How to use the product shake the pen lightly with the cap on before use. Place the tip close to the lash line and work in small strokes from the inner to the outer corner of the eye. Use the very fine tip for a thin, discreet line tilt the pen slightly to make the line wider or draw a sharp wing. Build color and width gradually, and let the liner dry for a few seconds. Remove with an oil-based makeup remover if necessary. Tip: always replace the cap immediately after use, and store the pen horizontally to keep the tip fresh and uniform. Result precisely defined eyes with an intense, black finish that lasts all day without smudging or cracking. Uniform lines and sharp wings, whether you're going for a natural look or a graphic eyeliner.