Bathroom mirror becoming hazy & blurry




We remodeled our bathroom in '98, which included a new mirror. We are noticing that along the top and one side that the mirror is "hazy", and a bit blurry compared to the rest of the mirror. We've tried all sort of solutions to try and clean the mirror, but its still the same...any ideas? Can mirrors go bad in less than 20 years?
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Mix one-part vinegar with four parts water and pour it into the spray bottle. Spray the solution onto the cotton cloth or directly onto the mirror. Before the spray dries, wipe the mirror from side to side or up and down with the cotton cloth. Never wipe the mirror in circles.
Hello Rick, try cleaning it with vinegar, if it's hairspray that will get it off. otherwise the finish is likely eroding, so you will need to resilver or replace it.
Here's a post that might help https://chascrazycreations.com/eco-friendly-window-and-mirror-cleaning/