Add Yahoo as a preferred source to see more of our stories on Google. Soap-making has a rich history and is a blend of art and science. While traditional soap recipes call for ingredients like oils ...

We use fire ash and fat to recreate the ancient lye soap-making process and test whether the result actually cleans as well as store-bought soap.

SIOUX CITY — Traditional soaps materialize from two key ingredients: A kind of oil or fat (olive oil, hempseed oil, castor oil, animal fats, whatever it may be) and the highly caustic and toxic ...

Varieties of scents filled the IZone Makerspace room at Werth Tower on Wednesday, Sept. 24, as students came in to make their own soap bars. Hosted by the Innovation Zone and facilitated by maker ...