The Slim Black Liquid Eyeliner Pen offers precise, bold lines with ease. Featuring a quick-dry, smudge-proof formula, it ensures your look stays flawless all day long. Its slim, hard tip allows for ultimate control, making it perfect for both beginners and professionals. The waterproof, sweat-resistant design keeps your eyeliner intact in any condition, delivering long-lasting, defined eyes without fading or smudging. Ideal for creating everything from delicate lines to bold, dramatic looks.