A cleaning agent is a product for removing dirt and unnecessary substances adhering to equipment and machines. It is used in a wide range of fields such as cleaning, painting, cooking and working with machinery. There are various types of cleaning agents, such as types that are compatible with all types of equipment stains, types that are used to remove specific stains such as peeling off seals and rust removal, and industrial cleaners that are suitable for precision machine cleaning. Depending on the purpose of cleaning, the efficiency of work will increase. There are also environmentally friendly products that do not contain highly irritating ingredients such as surfactants and hydrochloric acid.