Polyurethane-56
molecular structure · PubChem
Synthetic
Not Clean
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
Functions
Binding
Holds Formula Together
Holds ingredients together
Traditional Use
Synthetic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and conditioning agent in hair and skin products.
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