Surfactants are important in our daily life because they were widely used in household products, cosmetic, food and pharmaceutical industries as emulsifier, wetting agent, cleanser, foaming agents, solubilizers, conditioners, thickener and also to produce emollients. Therefore, nature of the surfactants is relatively important and is expected to be human friendly as the surfactants will be directly contacted with human. In recent years, biosurfactants such as glycolipids have drawn a large attention in the industrial applications especially in cosmetic and pharmaceutical industries. In this...