Liquid Eyeliner Pen, Black, Waterproof, Long Lasting, 12.3 cm A compact liquid eyeliner pen designed to deliver defined black lines with long lasting, waterproof wear. The pen format provides control and portability for everyday and special occasion use. Key benefits Precise definition: Pen form helps create clear, controlled lines for natural looks or sharper winged styles. Long lasting and waterproof: Formulated to resist smudging and light moisture so your eye makeup stays put throughout the day. Portable size: 12.3 cm length fits easily in a makeup bag, purse, or travel kit for touch ups on the go. Versatile use: Suitable for creating thin hairline strokes or more dramatic lines, depending on technique and pressure. What makes it useful Solves common problems like feathering and smudging by offering a formulation meant for extended wear and resistance to light moisture. Reduces time spent reapplying makeup during a busy day thanks to its lasting performance. The pen format gives better control than a brush bottle for steady application along the lash line. Product attributes Function: Liquid eyeliner for defining upper and lower lash lines and creating winged looks. Color: Black for contrast and classic definition. Size: 12.3 cm pen body for comfortable handling and easy storage. Performance: Waterproof and long lasting for reliable wear in routine settings. Practical use scenarios Workday wear: Apply in the morning for a defined look that holds through meetings and commute without frequent touch ups. Active days or humid weather: Use when you need eye makeup that resists light moisture and maintains shape during busy schedules. Evening looks: Create a precise wing or intensify your eye makeup for a night out without reapplication between events. How to use (simple steps) Start at the inner corner and draw a steady line along the upper lash line. Adjust pressure to vary line thickness or extend into a wing at the outer corner. Allow a moment to set before blinking or layering other eye products. This liquid eyeliner pen delivers reliable black definition in a compact, easy to use form suitable for daily routines and special occasions.