Without the addition of emulsifying wax, they too would separate back into water and oils. Adding emulsifying wax to your recipe will keep the oil and water from separating by creating an emulsion between the oil and water.An emulsion is a system consisting of a liquid dispersed in an immiscible liquid. Immiscible means not compatible: not able to mix together to make a solution.ithout the addition of emulsifying wax, they too would separate back into water and oils. Adding emulsifying wax to your recipe will keep the oil and water from separating by creating an emulsion between the oil and water.