N-Acetyl-D-glucosamine is widely used in the cosmetic and skincare industry as a key ingredient in anti-aging and moisturizing products. It helps to improve skin hydration, reduce the appearance of fine lines, and enhance skin elasticity by promoting the production of hyaluronic acid. In the field of medicine, it is utilized as a dietary supplement to support joint health, particularly in individuals with osteoarthritis, as it aids in the repair and maintenance of cartilage. Additionally, it is employed in research and biotechnology for studying cell wall structures in microorganisms and as a substrate in enzymatic assays. Its role in wound healing and tissue regeneration is also being explored, making it a versatile compound in both commercial and scientific applications.