Polyurethane-8
AKA “Film-forming polymer
Synthetic
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Ingredient Facts
Polyurethane-8
AKA: Film-forming polymer
Synthetic · Binding | Film Forming | Plasticiser · EWG: 4
Plant-Derived
Occlusive
Synthetic
Clean
Helps create a smooth, long-lasting finish on skin and hair by forming a flexible protective layer that keeps products in place throughout the day.
CAS #
-
Form
Powder
Plant-Derived
Synthetic. Polyurethane-8 is derived from the chemical family of polyurethanes, synthesized from polyols and isocyanates. It is produced through the condensation reaction of these precursor molecules, creating a polymer chain.
Function
Binding | Film Forming | Plasticiser
Benefits
Binding
Film Forming
Creates protective layer
Holds ingredients together
Adds flexibility
Traditional Use
A synthetic polymer developed in the mid-20th century for industrial applications. Used in cosmetics as a film-forming agent and texture modifier in formulations like foundations and primers.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR