Tile, Walls, Ceiling
What to do: Spray tile, countertops, walls, and the ceiling with all-purpose cleaner and turn on the shower, cranking the hot water until steam builds (about five minutes). Turn off the water, shut the door on your way out, and let the steam and the cleaner mix for 20 minutes. Then wipe down all surfaces with a clean cloth. To reach high spots, use a clean, dry microfiber mop. Wipe the tile floor, too, but only after you’ve finished the rest of the dirty work.
Why: Soaps, along with the dirt and the skin cells they slough off, leave behind a microscopic film.
Best practices: To minimize water marks on ceramic tile, apply a coat of car wax once a year (like Super Hard Shell Liquid Wax; $15, walmart.com for stores). Water will bead up and roll off. Mildew-resistant paint can also help on untiled walls and ceilings (try Benjamin Moore Aura Bath & Spa; $68 a gallon, benjaminmoore.com).