Mix a small amount of mild detergent with water in another bowl. You could also use a store-bought shoe cleaner for this step ...

Use vinegar in your dishwasher to give your glassware an extra sparkle and prevent filmy residue from hard water.

You may feel squeaky clean ... than three uses, it's time to wash your dirty towels. And typically, to kill the microbes and remove body oils and stains, towels should be washed in warm or hot water.