Soap is an indispensable daily washing product. The history of people using soap can be traced back to Italy before BC. Since the 1980s, soap has been widely used in China.
In the Song Dynasty, a synthetic detergent appeared, which mashed and grinded the natural soap pods, added various medicinal petal powders, and made into a ball for washing face and body. Some directly boil the soap pods with water, add medicinal petals and take a bath.
Plant weak alkali soap is one of the skin and hair washing and care products. It is a kind of daily consumer goods.
Some manufacturers use fatty acid sodium and other surfactants as the main raw materials to make soap, add quality improvers and appearance improvers, and make products after processing and molding. Because these pH values are high and the skin can not tolerate them for a long time, they can only be used to clean clothes. The pH of plant weak alkali soap is low, which can be accepted by human skin for a long time. Moreover, various nutrients and vitamins contained in plants can nourish and care the skin.
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