murphyPolyurethane-72
molecular structure · PubChem
AKA: Film-forming polymer
Synthetic
Occlusive
Skin Conditioner
Not Clean
OriginPolyurethane-72 is a synthetic polymer derived from the chemical family of polyurethanes, created through reaction of polyols and isocyanates. It is synthesized by condensation polymerization, where polyol and isocyanate monomers bond together to form long-chain polymer networks.
Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymers with hydrogenated acetophenone-formaldehyde polymer and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, compds. with 2-(dimethylamino)ethanol
CAS #
502761-95-7
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Nail Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Holds Formula Together
Creates Protective Barrier
Creates protective layer
Strengthens nails
Holds ingredients together
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR