The freshwater sponge is one genus of the Sponge family, its spicules are made out of Bio-Silicon, formed into simple cylinders with pointed ends, just like needles, these spicules are so tiny that can easily penetrate the skin.
Clinical studies from Europe, the U.S, and South Korea had proved that the spicules in cosmetics create 200,000 microchannels in 5 minutes, and absorption is 0.03-1% increased to 75-85% by as much as 3,000 times.