()-δ-Tocopherol is primarily used as an antioxidant in various industries. In the food industry, it helps prevent the oxidation of fats and oils, extending the shelf life of products like margarine, salad dressings, and snack foods. In the cosmetic and personal care industry, it is added to creams, lotions, and serums to protect the skin from oxidative stress and maintain product stability. Additionally, it is utilized in animal feed to enhance the nutritional value and prevent the degradation of essential nutrients. Its antioxidant properties also make it valuable in pharmaceuticals, where it is incorporated into formulations to stabilize active ingredients and improve efficacy.