Women still use cosmetics the most in their daily lives. Compared to men, although women's skin is more delicate, the skin of different female groups is worse due to different body structures. In daily life, men often do not care about skincare, but their skin will be very high. Women need to use various methods to maintain good skin quality. Women usually spend some time on makeup when going out, We also need to pay more attention to the components contained in cosmetics. Through some detection methods, we can know the heavy metal components in cosmetics. So, what is the principle used for heavy metal identification in cosmetics? Let me introduce it to you now!
What is the principle used for heavy metal identification in cosmetics?
The heavy metal elements contained in different types of cosmetics are also different. Adding a certain amount of heavy metal components can improve the effectiveness of cosmetics. The principle of identifying the heavy metal components in cosmetics is also relatively simple, which can be determined by the chemical reactions generated by different metals together.
1. Silver in heavy metals reacts chemically with lead or mercury, so we can apply cosmetics to silver products. As long as the silver products change color, it means that the cosmetics contain a certain amount of lead or mercury elements.
2. Mercury, a heavy metal element, reacts with alkaline substances. After mixing cosmetics with household baking soda, wait for a few minutes. If the mixture turns gray or black, it indicates that the cosmetics contain mercury. The darker the color, the higher the content.
That's all for today's introduction of the article on the principles of heavy metal identification in cosmetics. If you want to know which heavy metal elements cosmetics contain, you still need to go to a professional identification agency for testing.