Gel bead eye mask is a hot and cold product. Put the eye mask in the refrigerator for 1-2 hours or heat it in the microwave for 10 seconds. Do not apply the frozen beads or thermosetting beads directly on the skin, please use a plush surface. To avoid frostbite or burns, put it aside after freezing or heating it until it reaches a temperature that your skin can tolerate. The temperature should also be controlled when using it. If the temperature is too high (too low), it will burn (frostbite) the fragile skin of the eye area. One use time does not exceed 20 minutes, and the interval between two uses is 30 minutes. Do not overheat when heating, overheating may cause damage or destruction of this product. For cold therapy: 1. Using an ice pack eye mask can promote the microcirculation around the eyes, so that the eyes are no longer fatigued, and the skin near your eyes is as elastic as before. 2. The ice pack can relieve the symptoms of vertigo and headache caused by fatigue. If the symptoms of neurological decline, the use of frozen eye mask can also play a role in alleviating. 3. The use of frozen eye masks can also have cosmetic effects. If you have dark circles, ice pack eye masks can restore elasticity to the skin around your eyes and relieve dark circles. For Hot therapy: Hot compress eye mask can effectively promote blood circulation in the eye area, relieve eye fatigue, completely relax the skin of the eye area, promote sleep, and help people to lighten dark circles and delay the aging of the eye area.