Salt crystal, thanks to its chemical composition, is an ideal source of negative ions.
Negative ions may clean the air of:
•Dust •Pollen •Dust mites •Smoke •Odour • Mould spores
Negative ions may also help relieve symptoms of:
•Hay fever •Asthma •Depression •Chronic fatigue
Crystal-salt lamps bind the excessive positive ions with their negative ions. When they warm up, they attract humidity and the surface of the salt crystal becomes moist. This causes a field of ions to build up. Crystal-salt lamps can also neutralise the electro-smog in a room. Additionally, the various colours of the lamp have positive effects. (Dr Barbara Hendel).