Here are some ways to keep the mirrors in your home clean and mark-free
Use proper cloth
Since mirrors are prone to scratches, you should always use a micro-fiber cloth to prevent any damage to the surface
Keep the mirrors dry
Use a cloth to wipe off the mirror after taking a shower or using the sink to avoid wet spots and streaks
Avoid touching the mirror
Try to avoid touching the mirror as much as you can as fingerprints and smudges might be difficult to get rid of
Avoid using harsh chemicals
Avoid using harsh chemicals or abrasive materials on the mirror as this might harm the mirror surface
In a spray bottle, combine vinegar and water and mix well. Spray the mirror with the cleaning solution, then wipe it with a micro-fiber cloth