'Esenciâ?? health pillow based on scientific and technology, collect life science,modern biology, ergonomics, etc. modern high-tech, use of magnetic fields,far-infrared and negative ions, mineral-ion, color and other physical therapy, is made up of permanent magnets,soft magnetic strip, far-infrared negative ion flakelayer,mineral-ion flake layer, cotton-flower design patent and other materials. It can effective promote the human blood circulation,improve insomniaï¼?Pillow face is B-type structureï¼?fit head and neck physiology curve,fully mitigate the pressure on the head and neck, do static traction for head and neck,on the results of cervical spondylosis.It is made up of 8 layers with difference materials, details as below:1. Cotton-flower design patent layer;2. Non-woven layer;3.Far-infrared and negative ion flake layer;4. Permanent-magnets layer;5. Mineral-ion flake layer;6. Wave-type urethane foam inner core;7.Polyurethane foam inner core8. DuPont Tyvek ADM fibre Anti-mite layer.