Definitions for "Petrolatum"
A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments.
a solid, waxy petroleum derivative commonly known as petroleum jelly, paraffin jelly or Vaseline.
Heavy vehicle based on petroleum hydrocarbons, most commonly known for its use in Vaseline; good for sensitive skin but is occlusive and can cause or aggravate acne in susceptible individuals.
used in moisturizers to create a barrier to prevent moisture from evaporating