Bosley Thickening Fibers

Bosley Thickening Fibers


Regular price $30.00 Sale price $14.99
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Bosley Hair Thickening Fibers is a hair loss concealer for thinning and sparse areas of the scalp. These keratin hair fibers adhere to existing natural hair giving it a thickened and full appearance. It is waterproof, sweat proof, and will not rub off for long-lasting wearability. Can also be used as a root re-growth cover-up for extended in-between visit to colorist. Washes off easy with shampoo.


  • Creates instant thicker fuller-looking hair 
  • Covers-up fine and thinning areas of hair 
  • Perfect for temporary cover-up post procedure 
  • Enhances existing procedure density

Directions: Hair must be completely dry. Brush or comb hair, shake Hair Thickening Fibers applying liberally into thinning and low-density areas. Gently style hair into place with fingers or plastic comb. If desired, use Brush Applicator filled with Hair Thickening Fibers to apply around hairline and hard to reach areas. Spray Bosley Professional Strength Non-Aerosol Hairspray & FiberHold Spray, which may increase the bond between natural hair and Hair Thickening Fibers for extra durable, longer-lasting style. Shampoo to remove.

Customer Reviews

Based on 2 reviews
Instant Youth

Absolutely love this product over all on the market. It does what it says. Fuller, thicker, healthier looking hair for anyone whose crown could use a little help without long term commitment. thank you Bosley.

Different bottle

Same good product.