MULTIPLE EMULSIONS A COPREHENSIVE REVIEW
Sivapriya S., Daisy P.A,* Boby Johns G., Praveen Raj R., Noby Thomas and Betty Carla
ABSTRACT
Multiple emulsions are also known as emulsions of emulsions, liquid membrane system or double emulsion. These have been proposed to have numerous uses including their use for enhancement of bioavailability or as a prolonged drug delivery system. Multiple emulsions are often stabilized using a combination of hydrophilic and hydrophobic surfactants. The ratio of these surfactants is important in achieving stable multiple emulsions. The two major types of multiple emulsions are the w/o/w and o/w/o emulsions. The most common multiple emulsions are of W/O/W type which is widely used for pharmaceutical purposes.[2, 3]
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