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Ingredient Facts
Peg/ppg-8/3 diisostearate
AKA: Diisostearate copolymer, Silicone emollient
Surfactant · Cleansing · EWG: 2
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Clean
PEG/PPG-8/3 Diisostearate is the polyethylene glycol ether of the propoxylated diester of isostearic acid containing an average ethoxylation value of 8 and propoxylation value of 3.
CAS #
-
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic emulsifier developed in the mid-20th century by combining polyethylene glycol (PEG) and polypropylene glycol (PPG) polymers with fatty acid derivatives. Created to solubilize oils and improve texture in cosmetic formulations without natural precedent.