C12-20 Acid Peg-8 Ester ●
TL;DR. This ingredient is a nonionic emulsifier and solubilizer that helps blend oils, waxes, and water in creams, lotions, and cleansers. It can also contribute mild cleansing and texture support.
What does C12-20 Acid Peg-8 Ester do in a cosmetic formula?
This ingredient is a nonionic emulsifier and solubilizer that helps blend oils, waxes, and water in creams, lotions, and cleansers. It can also contribute mild cleansing and texture support.
Is C12-20 Acid Peg-8 Ester clean?
From a clean-beauty perspective, it has friction because it is a PEG-based material made through ethoxylation, a process associated with possible trace processing residues such as ethylene oxide and 1,4-dioxane if not tightly purified. It is generally low-irritation in finished formulas, but many clean standards flag or restrict this ingredient class.
Is C12-20 Acid Peg-8 Ester sustainable?
This material typically combines fatty acid chains that may come from plant or animal sources with a petroleum-derived polyethylene glycol segment. It is expected to have better breakdown than persistent silicones, but its synthetic processing and variable renewable content make its sustainability profile mixed.
Is C12-20 Acid Peg-8 Ester COSMOS-approved?
It is not permitted under COSMOS-natural or COSMOS-organic because ethoxylated materials are outside the standard’s allowed chemistry. Its Green Chemistry fit is limited by petrochemical input and ethoxylation, even when the fatty acid portion is renewable.
How does C12-20 Acid Peg-8 Ester work chemically?
The molecule is an amphiphilic ester made from C12 to C20 fatty acid chains attached to an average of eight ethylene oxide units, giving it nonionic surfactant behavior and moderate oil-in-water emulsifying capacity. It is commonly used around 0.5% to 5%, is usually stable in mildly acidic to neutral systems, and can hydrolyze under strongly acidic or alkaline conditions.
Last updated 2026-05-13