Soap
Soap (stone whisk, soap) generally refers to a detergent for soil removal, and more chemically it is a generic term for salts of higher fatty acids. When it is industrially manufactured from animal and vegetable fats and oils, in particular when referring to pure soap (soju soap), it refers to soap which contains only fatty acid sodium and potassium fatty acid and which does not contain additives, but in many cases additives such as carbonate and perfume including. It is a surfactant and has cleaning ability by dispersing dirt including oil and oil in water. It also disinfects bacterial cell membranes and virus envelopes, and exerts a disinfecting effect on some pathogens. Dry shampoo designed to be used without water is used at the time of nursing care and disaster, and it is also used in the space station, although it is dissolved by using water as a solvent. ...