Caffeic acid is widely used in the food and beverage industry as a natural antioxidant to extend the shelf life of products by preventing oxidation. It is also incorporated into dietary supplements for its potential health benefits, including anti-inflammatory and immune-boosting properties. In skincare, caffeic acid is added to cosmetic formulations for its ability to protect the skin from UV-induced damage and reduce signs of aging. Additionally, it is studied in medical research for its potential role in inhibiting the growth of certain cancer cells and managing chronic diseases due to its strong antioxidant activity.