Final answer:
A doctor has ordered a cream that is not greasy and is water washable. Creams are oil-in-water emulsions composed of small droplets of oil dispersed in a continuous water phase.
Step-by-step explanation:
A doctor has ordered a cream that is not greasy and is water washable. Creams are oil-in-water emulsions composed of small droplets of oil dispersed in a continuous water phase. Creams are less greasy and more easily washed off using water compared to other forms like lotions and ointments.