Sodium alginate is widely used in the food industry as a thickening, gelling, and stabilizing agent. It is commonly found in products like ice cream, yogurt, and salad dressings to improve texture and prevent separation. In the pharmaceutical industry, it is utilized in wound dressings, drug delivery systems, and as a coating agent due to its ability to form gels and control the release of active ingredients. In the cosmetics industry, it serves as an ingredient in creams and lotions for moisturizing and improving texture. Additionally, sodium alginate is employed in the textile industry for fabric printing, dyeing, and as a sizing agent to ensure color durability and uniformity. In the paper industry, it is used as a coating and strengthening agent to enhance paper quality. Its biocompatibility and gel-forming properties also make it valuable in biomedical applications, such as tissue engineering and dental impressions.