METHOD USE:COLD APPLICATION:Place the product in refrigerator for 1 hour, or place in freezer for shorter cooling time. Make sure the pack is laid on flat surface to ensure beads are arranged evenly. Apply directly to affected area.HOT APPLICATION:Wrap the pack in moist paper towel. Place pack in microwave at intervals of 7 seconds, and no more than 30 seconds. Apply the pack directly to affected area. Use hot to relieve face of toxins that contribute to dark circles and tired looking, worn out skin. Should not be placed on sensitive skin or open wounds.