1. Put the eye mask in the refrigerator and take it out. Please check whether the gel beads in the eye mask are flexible and ensure that the beads are not frozen before use; 2. Heat the eye mask in the microwave oven for no more than 10 seconds each time until the desired temperature, do not overheat. Take it out of the microwave oven carefully to avoid burns caused by excessive heating. 3. If you need to reheat the product, please cool the product and reheat it, do not boil the package; 4. If there is discomfort during use, please stop using and contact or consult the doctor. If there is damage, stop using.