With a little care, you can prolong the life of your polyester pillow and keep it feeling and looking fresh. Use a mild detergent and set your washer on a delicate cycle at 60°C – a temperature that eliminates dust mites. Avoid using bleach and fabric softeners. Polyester pillows can be either air-dried or tumble-dried according to the care instructions. In between washes, air your pillow regularly, if possible, in direct sunlight.