The prebiotic MSP fructooligosaccharide，the effective ingredients account for more than 96%, and the core efficacy component—Kestose (GF2) account for 60%, it can effectively promote the colonization of beneficial bacteria in skin or mouth and inhibit the growth of harmful bacteria. It can also improve the expression of tight junction protein in the skin and repair the skin barrier. It can be used in essence, mask, toothpaste and other daily chemical products.