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Ingredient Facts
Peg-20 sorbitan triisostearate
AKA: Sorbitan Triisostearate PEG-20
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Not Clean
Sorbitan, poly(oxy-1,2-ethanediyl) derivs. triisooctadecanoates, (20 mol EO average molar ratio)
CAS #
-
Form
Liquid
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Emulsifying
Moisturizing
Strengthens Barrier
Mixes oil and water
Traditional Use
A modern synthetic emulsifier developed in the mid-20th century by combining PEG with sorbitan and isostearic acid. Designed to improve the stability and texture of creams and lotions beyond what natural emulsifiers could achieve.