Bosley Professional Hair Thickening Fibers
Hair Thickening Fibers from Bosley Professional Strength, blend with natural hair to help add density to areas that are fine or thinning, instantly creating thicker, fuller-looking hair. Made of keratin proteins that are similar in composition to the hair, they can be used daily while natural hair grows. Hair Thickening Fibers are also perfect for cover-ups in between color treatments. Simply shake fibers into hair for instant results.