Salt lamps' main attraction is the heating of the salt causes the crystal to release negative ions.
Negative ions have long been considered healthy; the sea air, mountain air and the air around swiftly running water is high in negative ions. Indoor air, recirculated air, and air around electronic equipment is very low in negative ions.
Smoke-free design, using the heat source generated from light bulb only, it's totally environmental friendly and neat.
Direction of use: Fill the metal cup half way with hot water. Add 10 drops of essential oils, relax and enjoy.