Poly(methacrylic acid) macromolecule is widely used in the field of drug delivery systems due to its ability to respond to pH changes, making it ideal for targeted release of medications in specific areas of the body. It is also employed in the development of hydrogels for wound healing and tissue engineering, providing a supportive structure that promotes cell growth and regeneration. In the cosmetic industry, it serves as a thickening agent and stabilizer in various skincare and haircare products, enhancing texture and consistency. Additionally, it finds application in water treatment processes as a flocculant, aiding in the removal of impurities and improving water quality. Its versatility and biocompatibility make it a valuable material in both industrial and biomedical applications.