Silk powder is a kind of dusty silk protein with high molecular weight about 100,000, water soluble. Silk Powder has the function of excellent natural humidity-control and care for one? skin, preventing part of ultraviolet radiation, prevent and cure some skin disease result from all kinds of dampness and dryness. It has super effect used in prevent sunshine produce. 　　With the excellent breather function and suitable used in the cosmetic treats the grease skin. The grain diameter is from 5um to 100um with various specifications. Our extra fine Silk Powder can more easily mixed with cosmetic than common ones with more thin grain.