Propylene Glycol/Sebacic Acid/Trimellitic Anhydride Copolymer

Propylene Glycol/Sebacic Acid/Trimellitic Anhydride Copolymer molecular structure
molecular structure · PubChem
AKA: Propylene Glycol Sebacic Acid Trimellitic Anhydride Copolymer
Synthetic
Occlusive
Acid
Not Clean
Propylene Glycol/Sebacic Acid/Trimellitic Anhydride Copolymer is a copolymer of propylene glycol, sebacic acid and trimellitic anhydride.
CAS #
92-44-4
State
Solid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Anti-Inflammatory
Antimicrobial
Fights Acne
Creates protective layer
Traditional Use
A modern synthetic polymer developed for cosmetic use to provide film-forming and conditioning properties. Created as part of 20th-century advances in cosmetic chemistry to replace traditional plant-based film formers.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR