There are different theories about the etymological origin of the term soap. However, one of the most powerful states that it derives from the Germanic “saipo”, which came to Latin as “sapone” and hence our current soap.

Is named soap yet product which is used for to wash or sanitize. It is a substance obtained by combine the acids of a fatty body with an alkali: the result is a water soluble element.

SoapSoap is generally produced by combining potassium or sodium hydroxide with some lipid. This generates a chemical reaction which receives the name of saponification and allows to obtain the potassium or sodium salt which is the soap itself.

It should be noted that a alkali It is a compound with alkaline properties that acts as a base in an aqueous solution. The lipidsMeanwhile, they are organic molecules formed mainly by hydrogen and carbon that are hydrophobic (they do not mix with water). When an alkali, a lipid and water combine, the saponification whose result is the obtaining of soap.

It is possible to find solid, liquid, or powder soaps. Solid or bar soap is the compound without the presence of water that is used to cause saponification. Liquid soap, on the other hand, is found dissolved in the Water.

Soap is used to wash all kinds of objects and for the personal hygiene thanks to the properties of its molecules. As soap has water-soluble components and fat-soluble components, when it comes into contact with water it acquires the necessary characteristics to remove stains and drag particles from a wide variety of surfaces.

Among the wide variety of soaps that exist we can highlight, as the most famous, the following:
-The Marseille soap, which is originally from the French city that gives it its name. Specifically, it is considered that it was in the Middle Ages when it began to be prepared, which is characterized by the fact that it is made mostly with olive oil.
-The soap of Castile, which has its origin in the towns of the Crown of Castile (Spain). It began to be made during the Modern Age and is prepared only with olive oil. Such was the fame that it achieved that it was exported to many corners of the world.
-The Aleppo soap comes from Syria and is considered one of the most important historical soaps. It came to Spain thanks to the Crusades. It has a very identifying smell and is made from two main ingredients: bay oil and olive oil. It is considered to be very good for fighting skin conditions like acne.
-The Portuguese white and blue soap has been well known throughout the world for a long time. If it has achieved that popularity it is because it is used both for the personal hygiene of any person and for washing clothes or the home.

At language colloquial from Uruguay and of Argentina, on the other hand, a soap is known scare. For instance: “When the shelf fell I hit a soap …”, “That dark night, in the middle of the forest, I had a barbarian soap”, “What soap you gave me! Don’t go back into my room like that “.