Nano Silver has caused discoloration problems after applying it to products so far, but SARPU®-SC can solve discoloration problems of your products. In addition, SARPU®-SC has UV block effect due to titanium dioxide. According to cosmetic formulators, as long as natural ingredient use increases to add active substances to cosmetic, more amount of preservative will be used to keep cosmetics safe. A new cosmetic preservative trends toward enhancement of use of environment friendly and natural preservatives. SARPU®-SC can provide cosmetic developers with a new solution, by replacing harmful chemical preservatives. SARPU®-SC doesn’t irritate skin at all. SARPU®-SC takes antimicrobial effect desirably at low use level, so it is an economical product.