Prose engineer would say that soaps are sodium salts of fatty acids, as a result of hydrolysis reactions provide an alkaline environment. "In the soap-preserved alkenes react with the dirt, forming negative ions, the debris from the treated surface repels. The molecules of soap envelop the dirt particles, preventing their re-deposition on the cleaned body, cloth or dishes. Along with plenty of foam particles are washed away. The lyrical side of the well-known from childhood soap, is that to this day it remains an essential tool for personal hygiene. It gives our skin a clear, pleasant feeling of freshness and cleanliness