BIO-TERGE AS-40K is an anionic surfactant providing excellent viscosity, foam characteristics and mildness. It is an ideal surfactant for a variety of personal care applications, such as liquid hand soaps, shampoos, facial cleansers, and body washes. This product can also be used in hard surface cleaning applications. This product meets the U.S. EPA Safer Choice Program's surfactant screen and is listed on Cleangredients.org.