You can also use Kashmiri Dried Chillies or Kashmiri Chilly Powder sold in Indian stores or at Amazon. https://www.amazon.com/s?k=kashmiri+chili+powder
This chilly / powder gives flavor and color but no heat.
When you’re changing the guest towels (or bath towels) in the bathroom, just give the mirror(s) a quick sousing of white vinegar (or Windex if that’s how you roll) and wipe down with the used towel before throwing the towel in the hamper for washing.
Terrycloth works great for polishing glass, and this way you don’t have to (a) make an extra chore of cleaning the mirrors, or (b) deal with a used glass cloth or crumpled newspaper or whatever you would otherwise rub the mirrors with.
You know those little tin-handle disposable brushes also called “acid brushes”, with hair bristles? Those, along with (clean) old artist’s paintbrushes, are excellent for getting dust out of sewing-machine innards and other mechanical devices, if you even have any user-serviceable mechanical devices anymore. Their final reuse can be for cleaning bicycle chains, derailleurs etc.