Question: what is the difference of white ointment usp from yellow ointment?
Answer: Definition: “Ointments are semi-solid preparations for application to the skin.” ... c)Yellow ointment (USP) is mixture (1000g) of yellow wax (50g) and petrolatum (950g). d)White ointment (USP) This ointment differs from yellow ointment by substituting white wax and white petrolatum in the formula.