One of the easiest ways to make DIY soap is with the cold process method, which involves combining oils and sodium hydroxide lye, causing a chemical reaction called saponification. In the process ...

I took a soap-making class and was fascinated by how straightforward (or complex) the process can be, based on the ingredients you choose to use. I was also surprised by how important math is in ...

These soaps are made using traditional soap-making techniques ... it is cut into cubes and stacked and left to dry, which is a process that takes six to nine months. Produced by David Ibekwe.