WSK is obtained from Gutian's firts class tremella by the exclusive technology. WSK is composed of plant-algae-animal held sugars. It is polysaccharide with a unique spatial reticulation structure, with mannose as the backbone (main chain) and xylose, fucose, glucuronic acid, glucose in the side chain. Its molecular can weight up to 3 million daltons or more.

Excellent film formation forms a hydrating protective film on the skin's surface, reinforcing the "dam" with the sebum and stratum corneum.

Appearance: white to light yellow powder

Solubility: soluble in water

Percentage of use: 0.03% to 0.2%

Applications: moisturizer