Toppik Hair Building Fibers in Black is a premium hair thickening solution that provides instant fullness for thinning hair. This larger 27.5g container features natural keratin protein fibers that blend seamlessly with existing hair to create natural-looking density and coverage. Key features: • Made with natural keratin protein fibers • Creates instant fullness and density • Stays secure until next shampoo • Weather and wind resistant • Color-matched for black hair • Easy to apply and remove • Large 27.5g container size The product uses electrostatically charged fibers that bond securely to existing hair strands, making it resistant to wind, rain and perspiration while maintaining a natural appearance. The black shade is specifically formulated to match natural black hair colors. Suitable for both men and women looking to enhance hair density or cover thinning areas. Can be used on any hair type and washes out easily with regular shampoo.