Propylene Glycol/Sebacic Acid/Trimellitic Anhydride Copolymer is a copolymer of propylene glycol, sebacic acid and trimellitic anhydride. Science: Functions: Film Forming Safety Ratings: CIR: Safe as used
CAS #
92-44-4
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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.