Not known Factual Statements About sustained release and controlled release formulation slideshare
A paste is essentially an ointment that has a higher proportion of insoluble solids added. A large amount of particulate matter stiffens the system. When compared with the ointment, paste has reduced permeability, decrease maceration and lessen warmth. When applied to the pores and skin, they form a superb protecting barrier [15].On the other hand,