They are viscous semisolid emulsion system intended for application to the skin i.e. for external use. Have opaque appearance compared with the translucent ointments. Consistency and rheological characters depend on whether the Cream is w/o or o/w. Creams are of two types, aqueous creams and oily creams. In case of aqueous creams the emulsions are oil-in-water type (o/w) and in case of oily creams emulsions are of water-in-oil type (w/o).
