Remedies For stability problems of emulsions
I have some questions about
Stability problems of emulsions.
We have an intensive cream formulation. We have produced this formulation for many years. Some times we met some problems like that after packaging the water occurred in the package after a few days. But we couldn t see this problem first step . We do centrifuge test 5000 rpm 50 C 30 min. Although there is no problem when we do this test. We squeeze this product from the tube nearly after 2 months. We see water drops… we use protegin wx as you know this raw material is a mix oil phase that includes emollients, waxes and emulgators. So hlb balance must be correct. Why does the water drops occurre? How can we solve this problem? Could the cause of the problem the new generation preservatives?
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