Levins King Hair Building Fibers made of colored keratin protein blend undetectably with existing hair strands to instantly create the appearance of naturally thick full hair Instantly fills in thinning areas Hair Fibers Resists Wind Rain And Sweat And Removes Easily With Shampoo Conceals thinning hair and bald patches Great as a root touchup between colorings Suitable for all hair types and textures Makes fine hair look completely thick and full