Hexyl gallate is widely used as an antioxidant in the food industry, particularly in preserving fats, oils, and fatty foods to prevent rancidity and extend shelf life. It is also employed in cosmetics and personal care products to stabilize formulations and protect them from oxidative degradation. Additionally, hexyl gallate finds application in the pharmaceutical sector, where it helps maintain the stability of active ingredients in medications. Its antioxidant properties make it valuable in industrial applications, such as in lubricants and plastics, to enhance durability and performance.