Polylactic acid is widely used in the packaging industry, particularly for food packaging, due to its biodegradability and ability to decompose into non-toxic components. It is also utilized in the medical field for sutures, stents, drug delivery systems, and absorbable wound dressings, as it is biocompatible and can safely break down within the body. In the textile industry, it is employed to produce eco-friendly fibers for clothing and other fabrics. Additionally, it is used in the automotive industry for lightweight and durable parts. It is also used in 3D printing as a filament material, offering a sustainable alternative to traditional plastics. Its versatility and environmentally friendly properties make it a valuable material across various sectors.