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en.wikipedia.org/wiki/Soap

In chemistry, a soap is a salt of a fatty acid. Household uses for soaps include washing, bathing, ... Soap made from pure olive oil is sometimes called Castile soap or Marseille soap, and is reputed for being extra mild. The term "Castile" is also ...

www.soapguild.org/consumers/how-soap-made.php

Handcrafted soap can be made from scratch, by either hot or cold process, or created from a ready-made soap base. The method(s) chosen by a soapmaker are ...

www.soaphistory.net/soap-making/how-soap-is-made

Cold process soap is made by mixing fatty acids and sodium hydroxide (lye) together. Fatty acids used in this method can be almost any oil, such as beef tallow, ...

sci-toys.com/ingredients/soap.html

Today, soaps are made from fats and oils that react with lye (sodium hydroxide). Solid fats like coconut oil, palm oil, tallow (rendered beef fat), or lard (rendered ...

www.cleaninginstitute.org/clean_living/soaps__detergents_chemistry.aspx

A look at how soap is made with the science of Chemistry.

www.madehow.com/Volume-2/Soap.html

Soap is a combination of animal fat or plant oil and caustic soda. When dissolved in water, it breaks dirt away from surfaces. Through the ages soap has been ...

www.soap-making-resource.com/how-is-soap-made.html

How is soap made? That's always one of the very first questions asked by new natural soap makers. The answer lies in a chemical process known as ...

botaniesoap.com/blog/the-truth-about-lye-and-organic-soap

Sep 16, 2016 ... The truth about soap is in the chemistry. You're not using lye, you're using soap on your skin. All true soap is made with lye. If it's not, it can't be ...

www.thespruce.com/how-to-make-soap-517084

May 1, 2017 ... Making your own soap at home is easy, frugal, creative and fulfilling. There's ... Melt and Pour - melt pre-made blocks of soap and add your own ...