Toppik Hair Building Fibers, Medium Brown, 12g Fill In Fine or Thinning Hair, Instantly Thicker, Fuller Looking, 9 Shades for Me

Toppik Hair Building Fibers, made of colored keratin protein, blend undetectably with existing hair strands to instantly create the appearance of naturally thick, full hair. Ideal for men and women with thinning hair, these fibers offer weather resistance and long-lasting results. Toppik Hair Fibers will stay in place until you wash your hair. Toppik is the #1 Hair Fiber among hair care products.