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Aug 8, 2016
The composition of cosmetic formulationsare diverse and complex, oil, water, raw materials outside, there are a varietyof functional surface active agents, preservatives, flavors and pigments, is amulti-phase dispersion. With cosmetic formulations and functional requirements,more and more varieties of surface active agents used in cosmetics isincreasing. Surfactants used in cosmetics to deal with non-irritating to theskin, non-toxic side effects, while also meet colorless, invariably pleasantodor and high stability requirements.
1) Surfactant functional requirements
Each has a specific cosmetic effects,whether manifested in covering, cleansing, moisturizing, anti-wrinkle,whitening, color and aroma and the like.
2) Of the surfactant compatibilityrequirements
Cosmetics analysis of water may occurwithin the warranty period, oil analysis, stratification, precipitation, color,taste and an expansion phenomenon stability. This is used as an emulsifiersurfactant selected is not appropriate, and therefore, requires as emulsifierscompatibility and better compatibility of surfactants.
3) The commodity surfactant requirements
After the use of surfactants requireproducts with good appearance and skin feel, product requirements pleasant aroma,delicate, smooth, soft, and good smear raw and spreadability. On the productionoperations should be convenient. Cost and performance ratio is smaller,indicating that the lower the cost of the product, but the higher theperformance of the product, indicating that the higher the level of productformulation technology.
4) Safety requirements surfactant
Because of skin reactions caused bycosmetics directly affect people's health, therefore, it requires cosmetic rawmaterials must be harmless, requirements for skin, hair and eye mucosairritation, non-toxic, all pleasant odor, no adverse allergic phenomena like.
5) Health indicators of surfactantsrequirements
When cosmetic use and storage, there willbe microbial contamination and other health security issues, therefore, itrequires a surfactant for cosmetics should have anti-microbial properties ofcontamination.