6 Bottles XFusion Keratin Hair Fibers Dark Brown 28g/0.98oz. This is one XFusion Hair Fibers Product. XFusion Hair Buliding Fibers instantly make thinning hair look thick and full. Keratin fibers cling to existing hair and, in seconds, fill in all thinning or balding areas. XFusion won’t come off in wind, rain or perspiration. It is […]