Toppik Hair Building Fibers in Dark Brown is a 27.5g instant hair thickening solution that creates the appearance of fuller, thicker hair. Made with natural keratin protein fibers, it seamlessly blends with existing hair to conceal thinning areas and add volume instantly. Key features: • Made with natural keratin protein fibers • Instantly creates fuller, thicker-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 color-matched to blend naturally with dark brown hair tones. The fibers work through static electricity to bond securely to existing hair strands, creating natural-looking density and coverage. The larger 27.5g size provides extended usage compared to smaller containers. Suitable for both men and women looking to enhance their hair's appearance and conceal thinning areas.