“Zep’s Wall Foaming Spray is a scrubless formula, and as a professional house cleaner, I cannot tell you how much my wrists love it,” she said in the video.

She sprayed the foaming solution at the green marker lines on the walls. Leaving it to work its magic, she captured a video of the foam removing the marks immediately.

Using a rag, she wiped the marks off the wall in one even swipe. It didn’t remove any paint either.

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She said it can be used for grease removal, crayons,…