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Neurological disorders have become severe and dreadful issues around the globe that are rarely directly mediated because of the blood-brain barrier (BBB). Despite the various therapeutic strategies, including the utilization of cholinesterase inhibitors, metal chelators, molecular chaperones, and anti-body treatment that have been put forth, drug delivery to the brain has remained a problem in the treatment of neurodegenerative disorders (NDD). Chitosan, one of nature's multifunctional polymers, is acknowledged as a useful chemical in the medical and pharmaceutical industries due to its distinctive and flexible biological characteristics. By using Chitosan and its derivatives as drug delivery methods, it is possible to give medications in a sustained and regulated way, increase their stability, and lessen the likelihood of adverse drug reactions. In the current review, we have concentrated on the significance of Chitosan and its derivatives to become a hotspot in drug delivery, particularly for NDDs. This review also explains their properties as drug delivery vectors and their ability to cross the BBB, which is a significant obstacle to medication administration in NDDs. In conclusion, this review suggests that expanding the scope of such research would make it possible to develop NDD drug delivery systems that are more efficient.