Soap



In chemistry, a soap is a salt of a fatty acid. Household uses for soaps include washing, bathing, and other types of housekeeping, where soaps act as surfactants, emulsifying oils to enable them to be carried away by water.

Quotes

 * Soap manufacture flourished in Europe from the eighth century onward in such towns as Castilla in Spain, Marseilles in France, and Savona in Italy.