Natural Himalayan Salt Lamp Air Purifier 2lbsPersonal Health Shop Natural Salt lamps sourced from natural salt crystal from the Himalayan mountains Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy. Product Features: Made of natural salt crystal from the Himalayan mountains Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy Each lamp is individually handcrafted