Disodium Laureth Sulfosuccinate is a mild cleansing agent. It can also be added to products to enhance its lathering or foaming ability, according to the Environmental Working Group (EWG). Typically, this ingredient can be found in shampoos and body washes. Many times Disodium Laureth Sulfosuccinate is used instead of sulfate-based chemicals. So is it safe? Scientists say yes. Here is why: “The molecules are larger and cannot penetrate the skin the way other surfactants do,” reports SLSfree.net. “It is considered very gentle on skin, and is even suitable for more sensitive skin types,” the site explains.