FOUR-STROKE DESIGN: Features innovative four-stroke tip technology with soft nib and automatic tip for precise, controlled application. WATERPROOF FORMULA: Long-lasting waterproof formulation ensures makeup stays intact through sweat and water exposure. VERSATILE APPLICATIONS: Multi-functional design perfect for eyebrow definition, hairline filling, eyeliner creation, and lower lash enhancement. PRECISION TIP: 0.1mm ultra-fine pen tip delivers uniform liquid flow for detailed outlining and natural-looking strokes. LONG-LASTING WEAR: Provides up to 24 hours of smudge-resistant wear while maintaining a natural color appearance. Transform your beauty routine with this innovative 4-stroke eyebrow and eyeliner pen. Featuring a precise 0.1mm pen tip and smooth liquid texture, this versatile beauty tool delivers natural-looking strokes with exceptional control. The waterproof formula ensures long-lasting wear up to 24 hours, perfect for active lifestyles. Its unique design allows for multiple applications - create perfectly defined eyebrows, fill in hairlines, apply precise eyeliner, or enhance lower lashes. The automatic tip provides consistent flow and prevents splitting, while the soft nib ensures comfortable application. Whether you're aiming for subtle enhancement or dramatic definition, this professional-grade pen delivers flawless results with just one swipe. The natural color rendering creates realistic, flattering results that complement your features. Ideal for both beginners and makeup enthusiasts seeking precision and versatility in their beauty arsenal.