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 dressings to improve texture and prevent separation. In the pharmaceutical field, it serves as an excipient in tablet formulations and coatings for controlled drug release. In medicine, it is utilized in wound dressings due to its ability to form a gel-like barrier that promotes healing and maintains a moist environment. Additionally, it is employed in dentistry for making accurate dental impressions. In cosmetics, it acts as a thickener and moisturizer in creams and gels. It also finds application in the textile industry for fabric printing and as a thickening agent in dye pastes, and in paper manufacturing as a binder and coating agent. In biotechnology, it is used for encapsulating cells or enzymes, enabling controlled release and protection.