How do emulsifiers stabilise emulsion? Name two emulsifiers.

An emulsion is a colloidal solution of two immiscible liquids in which one of the liquids acts as the dispersed phase and the other acts as the dispersion medium. An emulsifiers or emulsifying agent is a substance that is added to an emulsion to stabilise it. For example, proteins, gums, natural and synthetic soaps are the emulsifier for the oil in water emulsions. Heavy metal salts of fatty acids, long chain alcohols, lamp-black are the emulsifiers for the water in oil emulsions.

Soaps and detergents are the commonly used emulsifiers.