It's conveniently water-resistant, with a small brush head designed to fit into tight corners and small spaces — think grout lines, faucets, window edges, tire crevices. I also knew my own hands ...

As-seen-on-TV grout cleaners 01:51 We put two infomercial grout cleaners, Grout Bully and Groutinator, to the test to see if they can really make your grout look like new.

Caroline Igo (she/her/hers) is a wellness editor and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative writing ...