Glyceryl-25 PCA Isostearate ●
TL;DR. This ingredient is primarily a moisturizing emollient and skin-conditioning agent, helping formulas feel smoother while supporting water-binding on the skin. It can also help bridge water and oil phases in certain emulsions because it has both hydrophilic and lipophilic character.
What does Glyceryl-25 PCA Isostearate do in a cosmetic formula?
This ingredient is primarily a moisturizing emollient and skin-conditioning agent, helping formulas feel smoother while supporting water-binding on the skin. It can also help bridge water and oil phases in certain emulsions because it has both hydrophilic and lipophilic character.
Is Glyceryl-25 PCA Isostearate clean?
From a clean-beauty perspective, this ingredient is generally low-friction, with no common restricted-list flags and low typical sensitization concern. As with many ester-based emollients, individual tolerance depends more on formula level and the full product system than on this material alone.
Is Glyceryl-25 PCA Isostearate sustainable?
This material is commonly made from plant-derived fatty acids, a humectant-style polyol backbone, and an amino-acid-derived acid component, although exact sourcing depends on the supplier. It is expected to be biodegradable by ester breakdown, but palm-linked feedstock traceability may matter for some supply chains.
Is Glyceryl-25 PCA Isostearate COSMOS-approved?
It can fit COSMOS-natural and COSMOS-organic formulations when the feedstocks are natural-origin and the manufacturing route uses permitted reactions such as esterification. Its Green Chemistry profile is strongest when renewable inputs, RSPO or traceable fatty acids, and low-residue processing are documented by the supplier.
How does Glyceryl-25 PCA Isostearate work chemically?
The molecule is an amphiphilic ester built from a polyhydric backbone, a branched C18 fatty chain, and a cyclic amino-acid-derived carboxylate group, giving it both cushiony emollience and water-binding behavior. It is generally used at low single-digit percentages in creams, lotions, cleansers, and leave-on treatments, and ester stability is best in mildly acidic to neutral systems rather than strongly alkaline formulas.
Last updated 2026-08-17