Even the inside of a washing machine gets dirty over time. A life hack promises to solve this problem almost effortlessly.

Add Yahoo as a preferred source to see more of our stories on Google. We all strive to keep our white clothes free of stains, yet they seem like a magnet for grease splatters and tomato sauce spills.

There’s a reason why some social media cleaning “hacks” are only surfacing now, decades after domestic scientists and home economists developed many of the products and techniques still used today: ...