2,3,4-Trihydroxybenzophenone, also known as benzophenone-6, is a chemical compound with the molecular formula C13H10O5. It is a type of benzophenone derivative that contains three hydroxyl groups. This compound is used in various industries such as cosmetics, pharmaceuticals, and research laboratories due to its UV-absorbing properties and antioxidant effects. It is commonly used as an ingredient in sunscreen lotions, anti-aging creams, and other skincare products for its ability to protect the skin from harmful UV radiation and oxidative damage.