Used as a non-ionic surfactant in pharmaceuticals, cosmetics, and laboratory applications. Helps in emulsification, solubilization, and stabilization of formulations. Commonly found in creams, ointments, and lotions for its ability to improve texture and absorption. Also used in cell lysis buffers and protein extraction due to its mild detergent properties. Suitable for use in membrane protein isolation and as a blocking agent in immunoassays.