Toppik Hair Building Fibers in Medium 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 medium brown hair to create the appearance of thicker, fuller hair instantly. Key features: • Made with natural keratin protein fibers • Instantly creates fuller, thicker-looking hair • Seamlessly blends with medium brown hair • Weather and wind resistant • Stays in place until next shampoo • Easy to apply and remove The product works through statically charged fibers that securely bond to existing hair strands, creating natural-looking density and coverage. The medium brown shade is specifically color-matched to ensure a flawless blend. The fibers resist wind, rain and perspiration while remaining completely undetectable. Suitable for both men and women, this solution washes out easily with regular shampoo.