Toppik Hair Fiber Medium Brown 12 gToppik Hair Building Fibers Medium Brown (12 g) Create Thicker, Fuller Looking Hair Instantly Description: Toppik Hair Building Fibers are made from natural, colored keratin proteinthe same protein that makes up human hair. These fibers blend seamlessly with your existing hair to instantly create the appearance of thicker, fuller hair. Designed for men and women with thinning hair, Toppik delivers a natural looking result that is virtually