Apply potato chips to your eyes, scrape off the potato skin, then wash and cut into 2 cm thick slices. Lie down, put potato chips on your eyes, wait for about 5 minutes, and then rinse with water. Tip: Apply it at night to help eliminate eye fatigue. Big potatoes are better, because the coverage is bigger. Don't use potatoes with teeth, because they are poisonous. Solution: Potatoes contain powder, which can supplement the deficiency of eyes.