What is the difference between soap and soap?
In modern life, people often use soap or soap to clean the skin or clothing, but people often know the difference between soap and soap when they buy it, so they are all fuzzy judgments. Let's understand together, what is the difference between the two:
      Soap is made from a variety of animal and vegetable oils and hydrogenated oils, usually without complicated refining. Soap is made from butter, sheep oil and coconut oil. The soap has been refined by alkali refining, decolorization and deodorization. The process of processing soap is numerous and complicated. The aroma of the soap is due to the addition of 1% to 1.5% flavor during processing, and some high-grade soaps add more flavor. In the production process, the difference between soap and soap has begun to appear.
Soap
      As one of the most common and widely used personal washing products, soap has its own advantages and disadvantages. First of all, the main component of the soap is sodium fatty acid, which is basically saponified by oil (vegetable oil or animal oil), has no toxic side effects on the human body, and is easily degraded by the environment; therefore, it can be said that the soap is a "natural" green product. In fact, fatty acids and their derivatives are the most widely used ingredients in cosmetics. However, since sodium fatty acid has a certain basicity (pH is about 10 or so), and the surface of the skin is weakly acidic (pH is about 6.5), the pH of the skin surface is greatly increased after washing with soap. Highly allergic skin causes certain allergies, and also removes the lipid layer on the surface of the skin, leaving the skin dry. Due to the resilience of the skin itself, the surface of the skin recovers its original pH within 15-30 minutes after washing.
soap bar
      Soap can be decontaminated 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 the oil and dissolves the oil in the soap. In the water; at the interface between water and air, the molecules of soap surrounding the air form soap bubbles. The original water-insoluble dirt, due to the action of soap, can no longer adhere to the surface of the clothes, but dissolves in the soap foam and is finally washed away.
      Through the above introduction, I believe that everyone should have a clear understanding of the difference between soap and soap!
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