Hair Building Fibers: USTAR hair fibers comprehensively and perfectly addresses thinning hair issues, instantly adding volume and thickness to create a completely natural-looking full head of hair Natural Keratin Hair Fibers: Hair thicking fibers Made from natural keratin, the hair fibers are harmless to the scalp. USTAR hair fibers for thinning hair simulated hair follicle molecular design, blend seamlessly with your existing hair, instantly making it look fuller and thicker Easy to Use: Hair fibers instantly fills, thickens, and provides full coverage over bald spots, thinning areas, and patchiness, hair toppers for women with thinning hair Lasts All Day No Clumps: Our hair fiber provides a strong hold without stiffness or residue. It’s sweat-proof, wind-proof, and water-resistant, will not cause confusion in hair care and giving you confidence all day Perfect Color Match: We offer an industry-leading color match matching, if the color you choose isn’t quite right, just let us know, and we’ll help you achieve the perfect match Ustar keratin fibers, made of colored keratin protein, blend undetectably with existing hair strands to instantly create the appearance of naturally thick, full hair. XFusion Keratin Fibers resist wind, rain, and perspiration for long-lasting results in all conditions. Available in nine shades that can be mixed to match any hair color, Keratin Fibers work for all hair types and textures. Also great for part lines, covering extension tracks and touching up roots between hair color appointments. Easily washes out with shampoo.