The BioTHIK Hair Building Fiber Medium brown 18g is a temporary hair thickening product designed to cover thinning areas and make hair appear denser within seconds. It uses lightweight keratin fibers that attach easily.Benefits: – Instantly makes hair look thicker and fuller.- Helps conceal bald spots and thinning areas.- Blends naturally with black hair color.- Lightweight formula that does not heavily weigh hair down.- Washes out easily with shampoo.- Suitable for men and women.








