Polyurethane-15
AKA “Polyurethane-15, Polyurethane Polymer
Ingredient
Ingredient Facts
Polyurethane-15
AKA: Polyurethane Polymer
Ingredient · Film Forming · EWG: 1
Synthetic
Occlusive
Clean
Isophorone diisocyanate, adipic acid, triethylene glycol and dimethylolpropionic acid copolymer
CAS #
-
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
A synthetic polymer developed in the 20th century for use in cosmetics as a film-forming and conditioning agent. Used to provide texture, spreadability, and protective film properties in modern skincare and cosmetic products.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR