Black Hair FiberNatural Hair Thickening Building Fibers are one of the best solutions to fix Thin Edges, Spots and Hairlines (Anemia, Hair loss, Balding, Postpartum). You may achieve a THICKER and FULLER look Undetectable and get your confidence back in just a few seconds with this amazing Natural hair fiber and Fiber spray applicator Set! Also may be used for hiding the gray roots. It's for Unisex and for All types of hair! Natural Hair Thickening Building fibers