Many cosmetics are in the form of aqueous or lipid solutions, but the most favorite form of users is the emulsion.
An emulsion is a system of two liquids that do not mix with each other, in which one phase is dispersed in the form of small droplets in the second phase. Mixing the phases alone causes the phases to be separated after some time. To prevent delamination and to create a stable emulsion, emulsifiers are used.
Emulsifiers are soluble in both phases, thereby reducing their mutual repulsion, and thus allowing them to permanently combine.
The choice of emulators is currently very wide - they are such substances as cetyl alcohol, glyceryl cocoate and many others.
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