A variety of natural colours are offered in the natural product Tom Bull Hair Building Fibre Refill. Our hair building fibres, which are made of coloured keratin protein, effortlessly meld with existing hair strands to rapidly produce the illusion of naturally thick and full hair. Our hair-building fibres make fine hair appear entirely thick and full by rapidly covering bald spots and hiding hair loss. Additionally fantastic as a root touch-up Our hair fibres can be used for part lines, hiding extension tracks, and touching up roots in between hair colour treatments. They are suitable for all hair types and textures. If you're looking for a natural and effective solution to hair loss and thinning, Tom Bull Hair Building Fiber is the