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Polyurethane-44
AKA “Polyurethane polymer, Film-forming agent”
Synthetic
Ingredient Facts
Polyurethane-44
AKA: Polyurethane polymer, Film-forming agent
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Synthetic
Clean
A lightweight powder that helps prevent clumping and creates a smooth, even texture in makeup formulas.
See origin →
Functions
Anticaking
Bulking
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Texture Enhancing
Prevents Clumping
Adds Body & Volume
Adds volume
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR
Polyurethane-44 — Duck Heart Ghost