It is commonly used in fabric softeners hair conditioners disinfectants and antistatic formulations. It also finds use in industrial cleaning agents and as a phase transfer catalyst in certain chemical processes.

It acts as a cationic surfactant to reduce surface tension provide antimicrobial action and improve softness and antistatic properties.

Benzyldimethylstearylammonium chloride is a quaternary ammonium compound with a long stearyl chain and a positively charged nitrogen known for its surfactant and antimicrobial properties.