L-Ascorbic acid is widely used in the food industry as an antioxidant to preserve the freshness, flavor, and color of various products. It helps prevent oxidation in fruits, vegetables, and beverages, extending their shelf life. In the cosmetic and skincare industry, it is a key ingredient in anti-aging products due to its ability to promote collagen synthesis and reduce the appearance of wrinkles and dark spots. It also brightens skin tone and protects against environmental damage. In the pharmaceutical sector, it is used as a dietary supplement to prevent or treat vitamin C deficiency, supporting immune function and overall health. Additionally, it is utilized in medical treatments to enhance wound healing and improve iron absorption in cases of anemia.