Polyvinylpyrrolidone is widely used in the pharmaceutical industry as a binder in tablets, ensuring the active ingredients are held together effectively. It also serves as a solubilizing agent, enhancing the dissolution of poorly soluble drugs, which improves their bioavailability. In addition, it is employed as a stabilizer in various drug formulations to maintain their efficacy over time.

In the cosmetics industry, it is a key ingredient in hairsprays, gels, and mousses due to its film-forming properties, providing hold and flexibility. It is also used in skincare products as a thickener and to improve the texture and stability of creams and lotions.

In the food industry, it acts as a clarifying agent in beverages like beer and wine, helping to remove impurities and improve clarity. It is also used as a stabilizer in certain food products to maintain consistency and quality.

In medical applications, it is utilized in wound care products and as a blood plasma expander in emergency situations to maintain blood volume. Its biocompatibility and solubility make it suitable for various biomedical applications, including drug delivery systems and coatings for medical devices.