Do you feel upset seeing yourself on that foggy mirror of yours? Let me share you some useful tips to make that mirror clear again. Rubbing your window with a cloth is not really advisable. Cloth might leave visible rubbing strokes and small threads, making your mirror more foggy. The best way to clear your window is by using a crumpled newspaper and a water with soap. Dip the crumpled paper on the water with soap and rub it gently on the mirror surface. Your stroke should start from the upper part going down. Then wipe it again with a dry crumpled newspaper. If the mirror remains foggy then i suggest you replace it with something new. I suggest you should find something like the Glass Replacement Portland services to replace your mirror into a brand new one!