Sponge spicule refers to the skeleton of sponge, one of the simplest multicellular organisms that grows in Marine or freshwater
environments. The main skeleton and support are glass fiber - like silicon bone needles.Spongilla spicules constituted by hardprotein and heteronuclear hard protein, do not dissolve in any kind of organic solution, therefore, can be used as a kind of ideal
natural materials in cosmetics and skin peeling curing.