Bis-hydroxyethyl acrylate poly (1,4-butanediol) -9/tmhdi copolymer

Bis-hydroxyethyl acrylate poly (1,4-butanediol) -9/tmhdi copolymer molecular structure
molecular structure · PubChem
AKA: 4-Butanediol -9/TMHDI Copolymer
Synthetic
Occlusive
Not Clean
Bis-Hydroxyethyl Acrylate Poly(1,4-Butanediol)-9/TMHDI Copolymer is a copolymer of poly(1,4-butanediol)-9 and trimethylhexanediisocyanate (TMHDI) end-capped with hydroxyethylacrylate.
CAS #
82339-15-9
Form
Liquid
State
Solid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Locks In Moisture
Fights Bacteria
Antioxidant Protection
Traditional Use
A synthetic polymer developed for modern cosmetics to provide film-forming and water-resistant properties in makeup and personal care products, with no traditional use history.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
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