We cover the chemistry behind soap making in simple terms, including what saponification is as well as the benefits of different oils, and butters and how to use a soap calculator. This class will ...

In hot process soap-making, external heat accelerates saponification. Most soaps can be used the next day, though it’s ideal to wait 1 week if you want a harder bar. Cold process. Cold process ...

"There are only two types of soap-making kits out there," Velasquez explains, "Cold process soap, which requires sodium hydroxide (not for kids) and melt-and-pour soap kits (easier and kid ...