Ji Yan can rest assured. According to relevant public information, Keyan of Jida University is a high-end gene beauty production, learning, research, marketing, teaching and training group biological company jointly founded by Jisheng Enterprise, Jike Biology, Dr. Huang Yadong of Jinan University and social celebrities, which is a joint unit of Jinan University's pharmaceutical research and development company and biotechnology research and development center in Industry-University-Research. Kiehl's of Jida University can remove wrinkles by injecting stem cells, directly inject new cells into the place where collagen fibers are deformed and broken to form wrinkles, and fully replenish phagocytes and fibroblasts differentiated by stem cells to the basal layer of skin, thus eliminating pigmentation, increasing collagen secretion and improving skin elasticity.