Spray a non-abrasive cleaner, such as a bathroom or all-purpose spray, on your brushed bronze fixtures. Do not use rubbing alcohol or any solvents on the fixtures unless specified by the manufacturer.
Wipe down the fixtures with a soft rag or sponge. Avoid abrasive scouring pads, which may scratch the brushed bronze.
Rinse the brushed bronze fixtures with a wet rag. Repeat several times to remove all of the cleaner residue.
Dry the brushed bronze fixture with a rag. This prevents water spots and mold from forming.
Protect the finish with a thin layer of car wax. This step is optional, but according to Moen, a large manufacturer of metal faucets, wax helps preserve the finish.