Trigger spray pumps are used for a wide variety of liquid applications. The most popular would have to be cleaning products. These would include sanitizing agents, soaps, and cleaning foams. The trigger spray pumps can also be used for hair products such as gels and sprays, strong cleaning agents such as stain removers, or alloy wheel cleaners. The medical industry also uses these for pain relief products. In fact, you will probably find a trigger spray being used for some type of solution in most industry sectors.