As I am using CSA in my O/W formulation , but after homogenization , can't achieve the desired viscosity. Any reason?
You try to make an Oil in Water emulsion, i.e. oil droplets in water. Cetostearyl alcohol is almost not soluble in water and it dissolves well in oil. So the viscosity of the water phase is almost not affected by the presence of the Ceto stearyl alcohol, which is only present in the isolated droplets. Therefore it is likely that the viscosity of the emulsion will not be modified by the presence of the Cetastearyl alcohol.
When you try to make a water in oil emulsion, then the viscosity of the emulsion will be influened by the presence of the Cetastearyl alcohol, depending on the temperature.
One of the components of cetostearyl alcohol is stearyl alcohol, also known a octadecanol. The temperature dependence of sunflower oil + 5% octadecanol can be found in
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