Boldify Hair Thickening FibersClump proof fibers for a real hair effect & undetectable finish: Boldify Hair Thickening Fibers are the premium solution to instantly disguise thinning and patchiness at the crown and along the partline. Our advanced hair powder fibers boast follicle mimicking molecules that allow seamless blending and a natural, real hair finish. For best results, at least some hair must be present. Looking for more coverage for areas with less hair? Boldify Hairline