Polyurethane-43

Polyurethane-43 molecular structure
molecular structure · PubChem
AKA: Polyurethane polymer, Film-forming agent
Synthetic
Skin Conditioner
Not Clean
OriginPolyurethane-43 is synthesized from polyols and isocyanates, belonging to the polyurethane polymer chemical family. It is produced through the polyaddition reaction of these starting materials, forming cross-linked polymer chains.
Polyurethane-43 is the polymer that conforms generally to the formula:(structure)
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Provides film
Forming protection
Creates smooth surface barrier
Helps lock in moisture
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2017
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR