By definition, soap is fat or oil mixed with an alkali. The oil comes from an animal or plant, while the alkali is a chemical called lye. In bar soap-making, the lye is sodium hydroxide.

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A non-governmental organisation, Youth Advocate for Change, in collaboration with the ATLAS Initiative, has trained 50 girls in soap making and upcycling.

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 ...

I've been making my own soap for a long time - something over a decade. I found a simple recipe and follow it. Generally it's just 3 ingredients: Coconut oil, lye and water. I use the bars for ...

Using an at-home soap-making kit, he mixed the fat with lye to render the chemicals into a more usable form. "Make sure you do your research before handling.

Foaming hand soap is more efficient and easier to rinse off. Here's how I make it and save hundreds of dollars over store-bought every year. Chris Wedel Home Tech Editor Chris Wedel is a fan of ...

And while lye is harmful to any living tissue, soap is not. That's because the lye and the oil/fat undergo a mixing-and-transformation process called saponification; they are, in a word, soap-ified.

Solid soap dates back thousands of years – and it is making a comeback today, with more people choosing it over liquid soaps and shower gels Skincare specialists explain why it has seen a ...