Winner

Windex Glass & Surface
One tester confessed, “I didn’t realize how dirty my windows were.” These wipes worked so well on her mirrors that she gave up her spray bottle for good.
To Buy: $3 for 25 at drugstores.

Runner-Up

Hope’s Perfect Glass
Lived up to the name. But very stubborn stains required some muscle.
To Buy: $5 for 60, www.perfectglass.com for stores.