Poly(ethylene glycol) is widely used in pharmaceuticals as a solvent, binder, and lubricant in tablet formulations. It is also employed in drug delivery systems to enhance the solubility and stability of active ingredients. In the medical field, it serves as a base for ointments, creams, and suppositories due to its non-toxic and non-irritating properties. Additionally, it is utilized in bioconjugation to modify proteins and peptides, improving their therapeutic efficacy. In industrial applications, it acts as a plasticizer, antifoaming agent, and dispersant in various manufacturing processes. Its versatility extends to personal care products, where it functions as a moisturizer and thickener in cosmetics and skincare items.