Liquid black liquid eyeliner pen in a convenient pencil style, waterproof formula, designed for precise eye lining and long wear. Key benefits Precise application: Pen style and controlled tip make it easy to draw thin lines or bold strokes with steady accuracy. Waterproof and smudgeresistant: Stays in place through daily activities for reliable wear. Versatile black shade: Deep black pigment gives clear definition for natural looks and dramatic styles. Easy to use and portable: Slim pencil pen format fits makeup bags and supports on the go touch ups. What it does and why you need it Defines and enhances the eye shape with a smooth, even line that emphasizes lashes and contours. Solves common eyeliner problems such as uneven lines and midday smudging by offering controlled application and waterproof hold. Simplifies makeup routines with a pen design that eliminates the need for separate brushes or tools. Important attributes Function: Liquid eyeliner for precise eye lining, suitable for upper and lower lash lines. Color: Black. Format: Pencil pen style for simple handling and accurate strokes. Finish and performance: Pigmented, quickdrying, designed to resist smearing and running. Compatibility: Designed to be used with other eye makeup products such as eyeshadow and mascara. How to use For a natural look, draw a thin line along the upper lash line from inner to outer corner. For a defined look, build thickness gradually and finish with a small flick at the outer corner for a winged effect. Allow a few seconds to dry before blinking or applying additional eye makeup. Practical use scenarios Everyday work or daytime makeup: Create a subtle, neat line that enhances eyes without heavy makeup. Evening or special events: Build a bold, winged eyeliner look to frame the eyes and complement dressier makeup. Travel and touch ups: Carry the slim pen for quick corrections or to sharpen your look between events. Packaging and care tips Store capped and upright to prevent drying. Close cap tightly after each use to maintain performance. Remove with your preferred eye makeup remover at the end of the day. This liquid eyeliner pencil pen delivers reliable black definition in a waterproof, easy to use format for daily and special occasion eye makeup.