Laureth 9 is a non-ionic surfactant and emulsifier derived from ethoxylated lauryl alcohol. It is commonly used in pharmaceutical and cosmetic formulations. Known for its emulsifying and solubilizing properties, it helps blend oil and water effectively. It is also used as a mild cleansing agent. Its versatile applications make it suitable for skin creams, ointments, shampoos, and topical formulations.