Cetyl gallate is widely used as an antioxidant in the food industry to prevent the oxidation of fats and oils, thereby extending the shelf life of products. It is also employed in cosmetics and personal care items to stabilize formulations and protect against degradation caused by exposure to air and light. Additionally, it finds application in pharmaceuticals, where it helps maintain the efficacy and stability of active ingredients in various medicinal products. Its ability to inhibit free radicals makes it valuable in preventing spoilage and maintaining product quality across different industries.