murphyPolyurethane-35
molecular structure · PubChem
AKA: Polyurethane polymer, Film-forming agent
Synthetic
Clean
OriginDerived from petroleum-based polyols and isocyanates, members of the polyurethane chemical family. Synthesized through step-growth polymerization of polyols with diisocyanates under controlled conditions.
Polyurethane-35 is a copolymer of Adipic Acid, dicyclohexylmethane diisocyanate, ethylenediamine, Hexandiol, Neopentyl Glycol and sodium N-(2-aminoethyl)-3-aminoethanesulfonate monomers
CAS #
-
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Holds Formula Together
Holds ingredients together
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 736)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions slight (CIR 736)
Mixed Eye Irritation Results
1 study / 1 mixed (CIR 736)
Concentration Guide
Leave-on0.84–7%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2017
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR