An effective vaporiser for essential oils. It means that you can blend essential oils for pleasure, therapeutic use or as a room freshener. Directions for use: Place a night light candle in the burner. Add a small amount of water to the indentation on top of the burner & light the candle underneath. Add a few drops of essential oil to the water. [I] Do not leave the burner unattended & do not allow the water to evaporate completely from the top plate. When refilling the burner while in use, be sure to use warm water to reduce the risk of the burner cracking. It is advisable to place the burner on a heat resistant surface.[/I] Made from ceramic pottery. This is a vegan product.