POs-Ca® from Glico Nutrition Co., Ltd is a newly approved cosmetics ingredient by National Medical Products Administration in Dec.,2020. It is made from potato starch in Hokkaido Japan, a derivative of malto oligosaccharides. Its main effect is reflected in skin care, oral care and scalp care. It solves the current situation that calcium ingredients are not easily soluble in water and high ionization, and provides a large number of experimental data for skin, oral and scalp, improving and compensating the vacancy of calcium ingredients in these fields.