Dictionary of Cancer Terms
View in Spanish: Vaselina
Petrolatum (PEH-troh-LAY-tum)
A thick, greasy, substance with no odor or taste made from petroleum (mixture of oily liquids found in the earth). Petrolatum is used on the skin to prevent drying and to help heal scrapes and burns. It is also used as a base for some ointments. Also called petroleum jelly.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.