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What Is PRESERVATIVE?

PRESERVATIVES are the materials that prevents microorganism from polluting cosmetic products to prolong their shelf life. 



         




Under Normal Circumstances Of Cosmetic Preservative

The survival and reproduction of microorganisms in cosmetics depends on some environmental factors: physical aspects include temperature, environmental pH value, osmotic pressure, radiation, and static pressure; chemical aspects include water sources, nutrients (C, N, P, S sources) ), oxygen, organic growth factors.


The effect of preservatives on microorganisms can only be effective when they are in direct contact with microorganisms in sufficient concentrations. Preservatives first come into contact with the outer cell membrane, adsorb, pass through the cell membrane and enter the cytoplasm, and then can exert medicinal effects in various parts, hinder the reproduction of cells or kill them. In fact, it is mainly the effect of preservatives on cell walls and cell membranes, but also on the activity of enzymes affecting cell metabolism or on the structure of the genetic particle of the cytoplasmic part.



Classification Of Preservatives

1) Imidazolidinyl urea

2) Hydantoin

3) Isothiazolinone

4) Quaternary Ammonium Salt-15



 



            







Prevent Pollution In The Process


1) Prevent pollution of raw materials

2) Prevent pollution of environment and equipment

3) Prevent pollution of package

4) Prevent pollution of operator

         



              


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