Methoxypolyethylene glycol is widely used in the pharmaceutical industry as a polymer for drug delivery systems. It helps improve the solubility, stability, and bioavailability of poorly soluble drugs. It is also utilized in the modification of therapeutic proteins and peptides to enhance their circulation time in the body and reduce immunogenicity. In addition, it serves as a key component in the development of hydrogels for tissue engineering and wound healing applications. Its non-toxic and biocompatible nature makes it suitable for use in cosmetics and personal care products, where it acts as a moisturizer and emulsifier. Furthermore, it is employed in industrial applications as a lubricant and surfactant.