Pharmacy · Pharmaceutics
How does the addition of a co-emulsifier such as cetyl alcohol affect an emulsion formulation?
- 1It increases the solubility of the internal oil phase
- 2It decreases formulation viscosity significantly
- 3It enhances interfacial film strength and stability of the emulsion✓
- 4It phase-inverts oil-in-water to water-in-oil emulsion
Correct answer
It enhances interfacial film strength and stability of the emulsion
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