Viviscal Hair Filler Fibers

Hair Fibers for Thinning Hair Hair concealer fibers are one of the quickest and easiest hair products to disguise thinning hair. Choose a natural-looking hair-building fiber that covers thinning hair and perfectly matches your natural hair color. Hair Building Fibers for Natural Hair Coverage Microscopic, easy-to-use hair fibers are a natural solution for men and women suffering from hair loss. This instant hair builder for thinning hair taps on in seconds and adds natural hair coverage.