Used primarily as an antioxidant in the production of plastics and synthetic rubbers to prevent degradation caused by heat and oxidation. It helps extend the lifespan of these materials by stabilizing them during processing and in end-use applications. Additionally, it is employed in lubricants and greases to enhance their oxidative stability, ensuring better performance under high-temperature conditions. Its ability to inhibit the formation of free radicals makes it valuable in preserving the integrity of various industrial products. It is also used in certain cosmetic products to help maintain product stability when exposed to air and light.