What is the making method and formula of ancient soap?

The ancient soap takes glyceride as the formula, and the preparation method is as follows:

First, prepare materials.

Handmade shops sell solid soluble glycerin soap base. If you are ambitious, you can choose homemade glycerin, but it is easier to buy transparent, white or other colors of glycerin soap base. Transparent glycerin soap base will look a little transparent no matter what color.

2. Dissolve glycerol in a double-layer steamer.

According to the size of the soap mold, cut the required glycerin and then cut it into small pieces for easy melting. Put the glycerin cube into a double-layer steamer, fill the pot with water, and then heat it over medium heat. Continue to heat glycerol until it is completely dissolved.

Third, add essential oil.

Because the essential oil is very concentrated, it only needs to add a few drops to play a huge role. Stir the essential oil with a wooden spoon until it is completely combined with glycerol, and then turn off the heat.

Fourth, prepare a soap mold.

Spread the paper towel on a flat surface, and then place the mold. Spray a little alcohol for external use in the mold to ensure that the part containing glycerol is completely covered. Alcohol prevents soap from foaming during cooling and drying. If alcohol is not used, the finished soap may have a layer of bubbles.

Step 5 pour in soap.

Open the lid of the double-layer steamer and carefully pour the soap into the mold until the edge of the mold. Be careful not to let the glycerin spill, or the soap will become strange. If it is difficult to pour soap from the double-layer steamer, you can first pour it into a bottle or pitcher with a spout with a funnel, and then pour the liquid into the mold.

Sixth, spray more alcohol.

After pouring the soap into the mold, you can spray more alcohol with a spray bottle when the soap is still in liquid state, which can prevent bubbles from forming on the soap plane.

Seven, wait for the soap to cool, and then take it out of the mold.

Let the soap cool in the mold for an hour or two until it completely hardens. Turn over the soap mold and take out the brand-new glycerin soap. If the soap doesn't come out at once, tap the back of the mold gently. Soap needs to be stored in a sealed container before use.

The origin of ancient soap:

According to historical records, the earliest soap formula originated in Mesopotamia, West Asia. About 3000 BC, people mixed 1 part oil and 5 parts alkaline plant ash to make a detergent. There are many legends about the origin of soap in Europe. Speaking of Gauls in ancient Rome, sheep oil and beech ash solution were stirred into a thick shape every holiday, applied to hair and combed into various hairstyles.

Once a festival was caught in heavy rain, and the hairstyle was ruined, but people unexpectedly found that the hair became clean. It is also said that when the Romans sacrificed to the gods, the fat of roasted cattle and sheep dripped into the plant ash, forming a "grease ball". When women wash clothes, they find that clothes stained with "oil balls" are easier to clean. This shows that people have used animal fat and plant ash soap for thousands of years.

Archaeologists discovered a soap-making workshop in the ruins of Pompeii, Italy. This shows that the Romans had already started the primitive soap production as early as the 2nd century AD. China people have long known that plant ash and trona are used for washing clothes. People also mix pig pancreas and lard with natural pork to make a lump called "pancreas".

Early soap was a luxury. Until 179 1, French chemist Lublan successfully made caustic soda from electrolytic salt at a low price, thus ending the ancient method of making caustic soda from plant ash. 1823, German chemist Cheever discovered the structure and characteristics of fatty acids, and soap is one of them. At the end of 19, the soap-making industry changed from manual workshop to industrial production.

Soap can decontaminate because it has a special molecular structure. One end of the molecule is hydrophilic and the other end is lipophilic. At the interface between water and oil, soap emulsifies oil and dissolves oil in soapy water. At the interface between water and air, soap surrounds air molecules to form soap bubbles.

The dirt that was originally insoluble in water can no longer adhere to the surface of clothes because of the action of soap, but is dissolved in soap foam and finally washed away completely. Before that, the manufacture of soap depended on experienced craftsmen. It is prepared with oil-alkali ratio juice, because there is no information to refer to, and it is often tried again because it cannot be solidified.

The above contents refer to Baidu Encyclopedia -Soap.