The component of Smiss Silk Powder is fibroin.Smiss Silk Powder retain natural cocoon silk's original physical structure and chemical composition. It is 100% natural silk protein powder with molecular weight of about 300,000 and it is no taste, no smell,and can not be dissolved in water or ethanol.Smiss Silk Powder has many functional applications in cosmetics, toiletries and pharmaceutical preparations. .

      For making the silk cosmetics, the particle diameter of silk powder is generally between 1-100.If the particle size is too big, the smoothness of silk powder shall be poor, and give people the feeling of crude. But it would spoil the structure of natural silk material if the particle size were too fine.  Since the surface gloss of silk is caused by the light interference effect on the silk surface, the particle size should be treated properly during the production process of silk powder, so as to keep the suitable particle diameter, as well as the unique natural luster of it.

 Silk Powder  

      There are two specifications of silk powder for making cosmetics as follows:

            Normal silk powder : the particle diameter ≤ 90 micrometer.

           Superfine silk powder : the particle diameter ≤ 5 micrometer.

      Compared with the normal  silk powder, the particle size of superfine silk powder is much fine, which is easy to mix with different cosmetics raw materials