ELHAE Hair Building Fibers Black is a cosmetic solution for instantly achieving the look of thicker, fuller hair. The finely milled, keratin-derived fibers cling to existing strands through static attraction, blending seamlessly for a natural appearance. Perfect for men and women looking to conceal thinning areas on the scalp. Apply directly to dry hair, style as usual, and enjoy a boost of confidence with fuller-looking hair. Washes out easily with regular shampoo.