Pickering's emulsion

Pickering's emulsion occurs when tiny solid particles, such as clay or metal oxides, adsorb at the boundary between two immiscible liquids like oil and water. These particles create a stabilizing barrier around small droplets, preventing them from merging or separating. Unlike traditional emulsions stabilized by liquid surfactants, Pickering's emulsions rely on these solid particles to maintain stability, making them more resistant to coalescence. This phenomenon is used in various industries, including food, cosmetics, and pharmaceuticals, to create stable mixtures without synthetic surfactants, offering environmentally friendly and durable alternatives.