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.

2. Harmful Chemical Residues: During combustion, paraffin releases compounds like benzene and toluene, known for their carcinogenic properties. If wax residues remain in the jar, these can alter ...