Toppik Hair Building Fibers provide an immediate solution for visible hair thinning by attaching electrostatically to existing hair strands. The black-colored keratin fibers perfectly match natural hair color, creating instant volume and coverage for thinning areas. This lightweight formula is resistant to wind, rain, and perspiration, staying in place all day. Ideal for both men and women, it works on all hair types and textures without clumping or flaking. The 12g size is perfect for travel and daily touch-ups. Simply shake onto thinning areas and pat gently for natural-looking results that last until your next wash.