Hair building fibers are typically colored to help them blend more easily and naturally into your hair. They are not like dry shampoo, which is often white-colored and can stick out.

" Toppik Hair Building Fibers ($47) gives the instant appearance of a thick, full head of hair. These fibers are made from natural keratin of the highest grade (the same type of protein found in ...

Topical fibers are another hair thickening product you can use to make your hair look thicker. One notable product you can easily find on Amazon is Toppik Hair Building Fibers, which are highly ...

For hair that looks thicker and fuller almost instantly, apply the number one bestselling Toppik Hair Building Fibers. Made of natural colored Keratin protein, it clings to your hair and mimics ...

After straightening hair, shake Toppik Hair Building Fibers (Buy from Toppik, $24.95; available in 9 shades) and use its spray applicator to apply the filler to the thinnest areas first, until you ...

I especially love Toppik Hair Building Fibers ($25), as it comes in many different shades, even for a redhead like me (I use the shade called Auburn). The keratin fibers attach to your hair ...

"Thin hair can also be related to certain medications like thyroid replacement medications, anti-anxiety meds and even birth control pills," Dr. Shilpi Agarwal, board-certified physician and ...