InformationBIORAN Natural Olive S is a natural surfactant mixed with Olive Oil, coconut Oil, Yukashidegera and soapwort. Natural oil included in BIORAN Natural Olive S forms rich bubbles and enhances the moisture of the skin after cleansing. In addition, Yuka trees and soapwort contain a lot of sapnins so called natural surfactants. BIORAN Natural Olive S makes very rich foams and highly stable. Furthemore it is less irritation than conventional surfactant owing to using natural ingredients.