Wax Liquidizer is a propylene glycol and vegetable glycerin based liquidizer that is used to turn wax into e-liquid. The main ingredients in Wax Liquidizer are propylene glycol, vegetable glycerin, and natural flavoring. Propylene glycol is a clear, colorless, and odorless liquid that is used as a solvent in many pharmaceuticals and food products. Vegetable glycerin is a clear, odorless, and sweet-tasting liquid that is made from vegetable oils. It is used as a sweetener, thickener, and emulsifier in many food and cosmetic products. Natural flavoring is used to give Wax Liquidizer its unique flavor.