Gallic Acid Butyl Ester is widely used in the cosmetic and skincare industry due to its antioxidant properties. It helps protect the skin from oxidative stress caused by free radicals, thereby preventing premature aging and maintaining skin health. Additionally, it is incorporated into formulations to enhance the stability and shelf life of products by inhibiting lipid peroxidation. In the food industry, it serves as a preservative to prevent spoilage and extend the freshness of perishable items. Its antimicrobial properties also make it valuable in inhibiting the growth of harmful bacteria and fungi. Furthermore, it is utilized in pharmaceutical applications for its potential anti-inflammatory and anticancer effects, contributing to the development of therapeutic agents.