Hair Thickening Fibers-Dark Brown 12g

What It Is: Keratin Hair Fibers Are Fibers That Blend And Cover Thinning And Low Density Areas Of Hair For Instant Thicker, Fuller-Looking Hair. What It Does: The Hair Thickening Fibers Are Keratin Proteins Similar To Natural Hair. Hair Thickening Fibers Blend With Natural Hair To Add Density And Help Create Thicker, Fuller-Looking Hair. Creates Instant Thicker Fuller-Looking Hair. Covers Up Fine And Thinning Areas Of The Hair. Perfect For Cover-Up In Between Color Treatments. Made From Keratin Protein.