The Yves Saint Laurent Crushliner Stylo Waterproof Eyeliner delivers intense, smudge-proof definition for graphic or subtle looks. Its creamy formula glides on effortlessly, offering high pigmentation and long-lasting wear without feathering. This precision tool is designed for versatile application. Use the fine tip for sharp lines or smudge gently immediately after application to create a smoky effect that sets firmly. Achieve impactful eye makeup that remains flawless throughout the day, resistant to moisture and humidity.