How to Make Soap (With or Without Lye) | Wellness Mama
Oct 29, 2015·Chemically, lye is Sodium Hydroxide, a caustic alkali. It can eat holes in fabric and skin and cause severe reactions with other chemicals. For soap, the crystal form of pure Sodium Hydroxide is used (this is important!) and the lye must be added to water, not the other way around. Sounds dangerous… right? Not so fast.