Hexadecyltrimethylammonium bisulfate is widely used as a surfactant in various industrial and laboratory applications. It is particularly effective in stabilizing emulsions and dispersions, making it valuable in the formulation of personal care products like shampoos, conditioners, and skin creams. In the textile industry, it serves as a softening agent and antistatic agent, improving the feel and handling of fabrics. Additionally, it is employed in the synthesis of nanoparticles, where it acts as a capping agent to control particle size and morphology. In the field of biotechnology, it is used in DNA extraction processes to facilitate cell lysis and nucleic acid purification. Its antimicrobial properties also make it suitable for use in disinfectants and sanitizers.