For more than a year now, I've been hearing of people who make their own laundry detergent. Friends, relatives and even some of my co-workers have tried it. They rave about how inexpensive the ...

In preparation for an upcoming summer event, the Smithsonian leads us through saponification, the chemical process of creating soap Piqued by the innovation, resourcefulness and ingenuity required in ...

Make your own homemade foaming hand soap at home with our easy tutorial. Here is how to make it! All images courtesy of Two ...

In 1894, Unilever’s co-founder William Lever started selling soap. His purpose was a simple one. It wasn’t to get rich. It was this: to help make cleanliness commonplace and bring hygiene, and thereby ...

Clay is off today. Here is a classic from July 26, 2013: Today's question: If dish soap comes in different colors — yellow, green, blue and so on — why are the soap suds always white and not the color ...