Used in drug delivery systems due to its biocompatibility and biodegradability. Enhances solubility and stability of conjugated drugs. Employed in cancer therapy to improve tumor targeting and reduce systemic toxicity. Serves as a scaffold in tissue engineering. Applied in cosmetic formulations for moisture retention and skin conditioning. Investigated for use in controlled release formulations for proteins and peptides and in vaccine delivery systems to enhance immune response, especially when combined with target antigens.