B.H.T (Butylated Hydroxy Toluene) is a synthetic antioxidant that is widely used as a stabilizer and preservative in various industries. Its applications range from being used in the formulation of cosmetics and personal care products to extending the shelf life of industrial materials such as lubricants, rubber products, and plastics. B.H.T helps to prevent oxidation and maintain product quality over time. BHT , E321, is used as a preservative in foods, animal feed, vegetable oil, petroleum products, rubber and plastics.