HairCubed® Blonde Hair Fiber Spray – Waterproof Concealer for Thinning HairHairCubed Blond fiber waterproof, Color 8. 3 , 9. 3 , 9 ,Solution for thinning hair, Fine hair or balding areas as well as cowlick. * In case your purchase fiber does not match your hair color, we will provide a free exchange. (See Chart Below) HairCubed Blond fiber waterproof, Color 8. 3 , 9. 3 , 9 New generation of microfiber technology to triple your hair supply by 3. It is the only product on the market that thickens your actual hair rather than