dispersing agent /dispur″sing/ [L, dis + spargere, to scatter, agere, to do] , a chemical additive used in pharmaceutics to cause the even distribution of the ingredients throughout the product, such as in dermatological emulsions containing both oil and water. Dispersing agents commonly used in skin creams, lotions, and ointments include glyceryl monostearate, sodium lauryl sulfate, and polyethylene glycol derivatives. A dispersing agent may cause an allergic reaction or adverse effect in a hypersensitive person.
