Toppik Hair Building Fibers in Dark Brown is an innovative hair thickening solution that instantly creates the appearance of fuller, thicker hair. This 12g container features natural keratin protein fibers that seamlessly blend with existing hair to provide immediate coverage for thinning areas. Key features: • Made with natural keratin protein fibers • Instantly creates fuller, thicker-looking hair • Stays secure until next shampoo • Weather and wind resistant • Easy to apply and remove • Color-matched for dark brown hair • Safe for daily use The product works through statically charged fibers that bond securely to existing hair strands, creating natural-looking density and coverage. The dark brown shade is specifically formulated to match natural hair colors seamlessly. The fibers are resistant to wind, rain, and perspiration but wash out easily with regular shampoo. Suitable for both men and women looking to enhance their hair's appearance with a quick, effective solution for thinning areas.