When I create a batch soap, I think back to my freshman science class days with Mr. Olsen.

One of the few things I remember about that class, besides passing notes when he had his back turned, is that he used to say, “Soap makes water wetter.”

Also, “Ladies, keep it down.”

“Ladies, keep it down”

I never knew what he was talking about in either case, but soap making water wetter has something to do with the surface tension of water. If you are into STEM, check it out.

When it comes to “Ladies, keep it down,” I guess we were disrupting the class, you’ll have to ask him about that.

Sodium hydroxide (also known as lye or caustic soda) is an inorganic compound with the formula NaOH. It is a reagent, which is a substance that is used in a chemical reaction to produce other substances. 

In this case, sodium hydroxide is used to cause a reaction called saponification to create soap (think Soap-ponification). Sodium Hydroxide is completely safe after it has been combined with fats to create an effective, safe, and diverse cleaning agent known as soap.