Sericin is a produce from the pod through advanced biologic technique. It contains 18 kinds of amino acids, including all 8 kinds of human need ones. Because the hydrophilic amino acids amount measures up to about 80%, the sericin has extraordinary excellent function of humidity-control and protection as cosmetic material. The colloid protein protects and cares one? skin and hair, forming the protective velum, protecting moisture and damnification from keratose. Helping the avoid the ultraviolet corrade. As a result the skin and hair are getting smother and softer with more flexibility. 　　Furthermore, the sericin is widely used as a material of dope in fabric, underwear and garment. It will not only help to keep the air but also help to sterilize and avoid tickle of one? skin and etc. health care function.