Discover the 6 health risks associated with chemical hair relaxers, from scalp burns to serious long-term conditions, plus ...

The film details the process of soap making, starting with Carl Mason's laboratory demonstration using fat and sodium hydroxide (lye). It explains the chemical reaction known as saponification, where ...

The process requires lye and a common pool chemical used to decrease pH. Sodium hydroxide isn’t super safe, but it is much less problem to buy, store, and use than battery acid. Aluminum ...