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化妆品的制作
* * * * * * * Chitosan Chitosan Natural polysaccharide extracted from crab snow crab Carrageenan Carrageenan Linear polysaccharide extracted from red seaweed Alginate Alginate Natural polysaccharide extracted from brown algae Materials Cosmetics paste Three kinds of substance we mentioned above Cell culture dish Sample A ① Add chitosan to cosmetics paste; ②Observe the amount of bacterial group after 24h; ③Calculate the ratio of sterilization. cosmetics Sample B and C ① Add carrageenan to cosmetics paste; ②Observe the amount of bacterial group after 24h; ③Calculate the ratio of sterilization. ① Add alginate to cosmetics paste; ②Observe the amount of bacterial group after 24h; ③Calculate the ratio of sterilization. Formula Comparison sample the ratio of sterilization A 7﹪ B 70﹪ C 29﹪ Conclusion Chitosan is the best additive to conserve the cosmetics because of its cation; but it fail to help us clean our pore. Carrageenan is usually used in the food additive; no sterilization can be observed in our study. Alginate is a natural anionic polysaccharide, it is also not adapted to be a kind of antibacterial; but the structure of its molecule determine that it can be applied to attend to our skin. The Design of Sensory Modification System Outline Color design requirements Perfumer design requirements The first partColor design Endless changes in color Principle of color design Cosmetic palette The influence of cosmetic color Green paste Pink paste Youthful for ever Yellow paste Black appearance The second partPerfumers design Definition of Functional System Aroma of good cosmetic perfume lotion Shampoo Conclusion Design cosmetic formula Promote product’s quality Enhance consumer’s confidence Win cosmetic market Thank You! * * * * * Content Layouts Thickening mechanism (1) Non-associative mechanism chain entanglement particulates modifiers (2) Associative mechanism Network Classification Of Thickeni
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