Longlasting waterproof eyebrow pen that stays put through sweat, rain, and water sports. Designed for easy, precise application to create naturally filled brows with a three dimensional hairlike finish. Key benefits Durable wear: Smudge resistant and fade resistant during daily activities and extended wear. Natural 3D effect: After application the result resembles natural eyebrow hairs for a soft, realistic look. Easy to use: Suitable for professionals and beginners. Smooth, controlled strokes make shaping and filling simple. Comfortable application: Exquisite slim tapered tip delivers precise lines and a comfortable drawing experience. Features and specifications Function: Eyebrow drawing and filling for natural looking brows. Tip: Slim tapered tip for fine, hairlike strokes and accurate shaping. Performance: Long lasting, waterproof performance that holds up in sweat, rain, and water sports. Compatibility: Works for a wide range of eyebrow styles and skill levels, from everyday grooming to professional makeup. Practical use scenarios Daily makeup: Define and fill brows quickly for a polished look that lasts through the day. Outdoor activities: Ideal for outdoor workouts, rainy days, and water based activities when lasting wear is needed. Special events and photography: Create precise, natural brows for events, photoshoots, and on camera appearances. How to use Draw short, light strokes along the natural brow direction to mimic hairs. Build intensity gradually for a balanced, natural finish. No special skills required; works well for both quick touch ups and detailed styling. This eyebrow pen combines long lasting waterproof performance with a slim, precise tip to deliver natural looking brows with reliable wear and easy application.