Washing powder is almost the same In the advertisement, in the previous shot, the child soiled the clothes; in the latter shot, the clothes were soaked in the washing powder water, and it was very clean at a glance. Can you really achieve this effect? The staff bought 9 yuan, 11.2 yuan, 16.09 yuan of washing powder per kilogram, each 1 scoop was poured into 3 basins, then 3 white towels were dripped with ink, and the towels were washed in the washing powder. 15 times. It turned out that the washing effect of these three price washing powders is really similar, so there really isn't a kind of washing powder that can be taken out as if it were in the advertisement, it is very clean. The more expensive the detergent, the worse the detergency? The most important raw material in washing powder is called surfactant, which is the key substance for decontamination. In theory, the more expensive the detergent powder, the higher the surfactant content, but in fact, this is not exactly the case. The three-price washing powder was taken to the Beijing Washing Product Quality Monitoring Station for testing. It was weighed, suction filtered, dried in a water bath, baked at a high temperature (105 ° C), cooled at room temperature, and finally passed through a color titration. The test results were: The surfactant content of 9 yuan washing powder is 20.5, the surfactant content of 11.2 yuan washing powder is 17.1, and the surfactant content of washing powder of 16.09 yuan is 14.3. The test results show that the more expensive the detergent powder, the lower the surfactant content. What is going on? Experts said: "Your washing powder may be compounded, containing a variety of surfactants, but only one type can be detected. The expensive washing powder contains not only surfactants, but also many additives and additives. There are many ingredients in the washing powder, and the price is naturally expensive." But it cannot be understood that the washing effect of the expensive washing powder is not good. The reasonable price of washing powder is about 10 yuan per kilogram. According to experts, the state has a standard for detergent formula. Everyone refers to this standard, so the price will not be too much. The same weight of washing powder, the price of up and down 20% is normal, the washing effect is similar. The price of a reasonable 1 kg washing powder should be about 10 yuan. Therefore, 12 yuan per kilogram, 8 yuan of washing powder will do. Is the cheap washing powder hurting your hand? Take the washing powder of 3 price points to the laboratory to check the pH value. The pH value is to check the content of alkaline substances in the washing powder. The alkalinity of the washing powder is not hurt. The pH of the 9-yuan washing powder is 10.6, the 11.2 yuan is 10.7, and the 16.09 yuan is 10.8. So it's not that cheap laundry detergent hurts your hand. It can be said that allergy to washing powder is a personal difference, and it has nothing to do with washing powder itself. The washing powder contains alkali, and it is normal to wash the clothes and dry hair. It is recommended to wear rubber gloves when washing clothes. Multi-bubble low-bubble washing powder has the same washing effect Experts also pointed out that the smell of washing powder has no effect on the human body. The discomfort caused by the smell of washing powder is a matter of personal physique difference, and has nothing to do with washing powder itself. In addition, the little red, green and green dots in the washing powder are just an additive and have no substantial effect. The multi-foaming, low-foaming washing powder has the same washing effect. (Editor: Xu Xiaoyu) Straw Hats,Boater Hat,Straw Boater Hat,Wide Brim Straw Hat Yantai Belief Cap Co.,Ltd. , https://www.jingermachinecn.com