Known as “immortal’s food”, Polygonatum kingianum used to produce YOLOTM is cultivated in Shangri-La, a mountainous area with high altitude. To endure the harsh conditions of the plateau, the rhizome stores more nutrients, such as polysaccharides, which allow it additional strength. Fermentation technology offers a better anti-wrinkle and firming impact in as well as having an increased antioxidant effect.