Petrolatum as a noun is a smooth, semisolid mixture of mineral oil and waxes; used as a lubricant and in polishes, cosmetics and ointments while Petroleum as a noun is a flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under earth surface.
Part of speech: noun
Definition: a smooth, semisolid mixture of mineral oil and waxes; used as a lubricant and in polishes, cosmetics and ointments
Part of speech: noun
Definition: A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under earth surface.
We hope you now know whether to use Petrolatum or Petroleum in your sentence.