Triethanolamine Linear Alkylbenzene Sulfonic Acid Salt 50% is an anionic surfactant produced by neutralizing Linear Alkylbenzene Sulfonic Acid (LABSA) with triethanolamine. It is supplied as a clear yellow liquid and is widely used in detergent, cosmetic, and personal care formulations due to its good cleansing performance, desirable foaming properties, and excellent water solubility.