Toppik Hair Building Fibers in Dark Brown is a premium hair thickening solution that provides instant fullness for thinning hair. This large 55g container features natural keratin protein fibers that bond to existing hair strands, creating the appearance of thicker, fuller hair immediately. Key features: • Made with natural keratin protein fibers • Large 55g economy size container • Instantly creates fuller-looking hair • Weather and wind resistant • Color-matched for dark brown hair • Easy to apply and remove • Stays in place until next shampoo The dark brown shade is specifically formulated to blend seamlessly with natural dark brown hair colors. The fibers work through an electrostatic charge that makes them cling to existing hair strands, providing natural-looking coverage that resists wind, rain and perspiration. Suitable for both men and women, this larger 55g size is ideal for regular users looking for a more economical option. The product washes out easily with regular shampoo.