Dacron body pillow, Not just any pillow can be used as a headrest when sleeping. The material of the pillow will affect the comfort and health of the user. It is best to use a pillow made of flexible material, which can follow the neck muscles and spine. One good material is dacron. Dacron is a very good material to be used as the main material for making pillows. Because dacron is not only comfortable to use but also very beneficial for health.