Ultrafine fiber is also a kind of high-quality, high-tech textile raw material. Due to its small diameter, the bending rigidity of ultrafine fiber is very small, and the fiber feels very soft. It has extremely strong cleaning function and waterproof and breathable effect. Superfine fiber in the micro fiber between many micro pores, forming a capillary structure, if processed into towel fabric, it has a high water absorption, washed hair with this towel can quickly absorb water, make the hair quickly dry.