Lauroylcholine chloride hydrate is primarily used in the field of biochemistry and molecular biology as a surfactant or detergent. It aids in the solubilization and stabilization of membrane proteins, making it valuable for studying protein structures and functions. Additionally, it is employed in the preparation of lipid bilayers and liposomes, which are essential for drug delivery systems and membrane research. Its mild properties make it suitable for use in sensitive biochemical applications where maintaining protein integrity is crucial.