Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate ●
TL;DR. This ingredient primarily acts as a PEG-free nonionic emulsifier and dispersant, especially for water-in-oil systems and pigment-rich formulas such as mineral sunscreens or makeup. It helps stabilize the oil phase and improve uniform spread of solids.
What does Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate do in a cosmetic formula?
This ingredient primarily acts as a PEG-free nonionic emulsifier and dispersant, especially for water-in-oil systems and pigment-rich formulas such as mineral sunscreens or makeup. It helps stabilize the oil phase and improve uniform spread of solids.
Is Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate clean?
From a clean-beauty perspective, it is generally well-tolerated, low in sensitization concern, and not a common restricted-list issue. The main review point is supplier documentation for residual catalysts, feedstock origin, and compliance with natural-standard processing rules.
Is Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate sustainable?
This material is commonly made from glycerin, fatty-acid, and dicarboxylic-acid feedstocks that can be vegetable-derived, often with castor or other plant oil inputs depending on the supplier. Its ester-rich structure supports biodegradation, while the strongest sustainability questions are traceability of vegetable oils and manufacturing data.
Is Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate COSMOS-approved?
It is generally suitable for COSMOS natural and organic formulations when made from compliant renewable feedstocks and approved esterification processes. It fits Green Chemistry better than ethoxylated emulsifiers because it can use renewable inputs, contains biodegradable ester linkages, and does not require ethoxylation chemistry.
How does Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate work chemically?
The molecule is a nonionic polyglycerol ester with bulky lipophilic segments, giving it strong oil compatibility and the ability to stabilize droplets or disperse mineral particles. Typical use is about 1 to 5%, and because it is nonionic, performance is less pH-dependent than ionic emulsifiers, with heat processing commonly used to fully incorporate it into the oil phase.
Last updated 2026-05-13