China CDC hands-on scientific disinfection

Essence, the ultimate in skincare products, has quickly become an essential part of facial care over the years. However, many people still don’t know what essences are and how they work. Why do I need to use a serum? There are many types of serums on the market, and according to texture, they can be

Questions. 1 Can the HLB value be calculated to determine the stability of a cosmetic? Is this helpful for formulation design? HLB value can only roughly determine an emulsifier matching range, and it is necessary to constantly adjust the matching ratio to find the most suitable ratio. HLB value can only roughly determine whether the

According to the application of the Facial mask material, all kinds of diversified materials are being explored and applied, and new membrane cloths are emerging in an endless stream. At present, the membrane cloth materials on the market mainly include non-woven cloth, silk cloth, Tencel cloth, biofiber membrane, bamboo charcoal fiber membrane, cotton fiber membrane,

Foam problems in water treatment troubled a lot of people, debugging the initial foam, surfactant foam, impact foam, peroxide foam, circulating water treatment by adding non-oxidizing biocides generated by the foam and so on, so the use of antifoam in water treatment is relatively common, this article comprehensively introduces the principle of antifoam agent, classification,