Soaps through history

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Soap as an invention belongs to the newer products. Historians estimate that its age is only about 3,000 years old.
People first sprinkled the body with olive oil, juices and ashes from different plants. The first soaps are mentioned at the time of Pliny, a Roman writer from the first century p.n.e. Then, according to the records, two types of soap are called, soft and hard. Pliny writes that soap “the find that hair gives glow”.
In the ruins of Pompeii, a soaked workshop for making soaps was found, reminding of contemporary workshops. Until 200 years ago, soap was produced only in domestic work in the United States.
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How does soap come from?
Soap is obtained by cooking grease or oil with water and some base (lye). In factories, soaps, fats and alkalis are cooked in large boilers. This whole process is called saponification. The salt is added after the cooking is over. Then the soap pours out on the boiler surface. At the bottom of the boiler remains the salt water containing glycerin, impurities and excess lye. This procedure is repeated several times. Each time water and alkaline soda are added, until the last remaining fat is soaked (converting from fat to soap).
Then the soap is mixed well to obtain a smooth mass, with different scents, colors and softeners added. Only then did the boiled, soaked soap ready for molding into different molds. Toilet soaps, in addition to the above mentioned, also have an extra process: they are cut, dropped and bobbed in paper.
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