Polyurethane-56

Synthetic
Not Clean
OriginPolyurethane-56 is synthesized from polyols and isocyanates, chemical compounds derived from petroleum-based feedstocks. The polymer is produced through a condensation reaction between polyol and isocyanate monomers under controlled conditions.
Cyclohexanol, 4,4'-(1-methylethylidene)bis-, polymer with .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 2-hydroxypropyl methacrylate-blocked
CAS #
1342288-58-7
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-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