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Abstract
The ability of two saccharose esters, saccharose palmitate (SMP) and saccharose stearate (SMS), to form lamellar structure in oil/water/glyceryl stearate mixtures was investigated through ternary phase diagrams. Three different oils have been tested: fluid paraffin, C12‐15 alkylbenzoate, and cetearyl octanoate. On the basis of the phase behaviors several emulsions with liquid crystalline structure were obtained and then characterized. Furthermore the most stable ones were added with a moisturizing active, lauryl pyrrolidone (LP), or sodium‐D,Lpyroglutamate (PCA). After the addition, the stability of the emulsions was assessed: It was observed that PCA‐containing emulsions resulted as less stable compared to LP‐containing ones.