THK Hair; Building Fibres is distinctive from the powder form of competitor products. Each THK Hair; fibre is longer, finer and has a superior method of dispensability.  As a result each application requires less product to achieve the best coverage, thus is more economical.  Yet THK Hair; building fibres give an even better finished effect, instantly giving a fuller, thicker head of hair.  In addition, the special design of the cone-shape fine round hole in the mess plug prevents the fibres from clumping and encourages a consistent flow. Compare THK Hair; Building Fibres with other similar products, you will find 25g of THK Hair; Building Fibres is equal to and will last as long as 35g in other products.