Toppik Hair Filler instantly thickens thinning hair with natural-looking results. This dark brown formula uses microfibers that cling electrostatically to existing hair, creating the appearance of fuller, denser coverage in seconds.

Visibly corrects and perfects hairlines using a breakthrough formula combining keratin hair fibers and argan oil to help create a fuller-looking hairline. 3-in-1 hair filler wand: fill (comb), build (define), and blend.