Polyurethane-16
AKA “Polyurethane-16, PU-16
Ingredient
Ingredient Facts
Polyurethane-16
AKA: PU-16
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
Crosslinked condensation polymer of 2 moles hexamethylene diisocyanate with 1 mole polycaprolactonetriol
CAS #
-
Form
Powder
See origin →
Functions
Anticaking
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Prevents Clumping
Creates Protective Barrier
Creates protective layer
Traditional Use
Synthetic polymer developed for cosmetic use to provide flexible, durable film-forming properties. Designed to improve the performance and longevity of cosmetic coatings.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR