Bio-Saponins (INCI: Yucca Schidigera Root Extract (and) Quillaja Saponaria Bark Extract (and) Smilax Aristolochiaefolia Root Extract (and) Dioscorea Villosa (Wild Yam) Root Extract) are naturally occurring, high molecular weight glycosides with distinct foaming characteristics. Found in many plants, saponins are high-foaming agents excellent for use when natural surface active compounds are required. They can be used in soaps, shampoos, creams, lotions, shaving products, body washes, natural toothpastes and more.