Petroleum jelly, also known as petrolatum or Vaseline jelly, has been a staple in our daily lives for over a century. It was first discovered by Robert Chesebrough in 1859 and marketed as Vaseline. Although petroleum jelly is often associated with the brand Vaseline, they are not the same product. Petroleum jelly refers to any substance with similar properties, which may or may not be produced by Vaseline's parent company.