The wax we used back then was the paraffin wax that moms would buy at the supermarket to seal jams and jellies in jars. It came in a box of four bars. You would break them in half and have eight ...

But he did reveal some key ingredients. Katzel: Inside of a lava lamp, you've got wax, which is mostly paraffin wax. That's your lava. Jones: Paraffin wax is a common wax made from petroleum.