Toppik Hair Building Fibers in Dark Brown is a revolutionary hair thickening solution that provides instant fullness for thinning hair. This 12g container features natural keratin protein fibers that blend seamlessly with existing hair to create the appearance of thicker, fuller hair instantly. Key features: • Made with natural keratin protein fibers • Instantly creates fuller-looking hair • Seamlessly blends with existing hair • Weather and wind resistant • Stays in place until next shampoo • Easy to apply and remove The dark brown shade is specifically formulated to match natural dark brown hair colors. The product works through statically charged fibers that securely bond to even the finest hair strands. It is suitable for both men and women looking to conceal thinning areas or add overall volume. The fibers resist wind, rain and perspiration but wash out easily with regular shampoo.