Sodium Styrene/Acrylates Copolymer
AKA “Acrylic Polymer, Film Former
Synthetic
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Ingredient Facts
Sodium styrene/acrylates copolymer
AKA: Acrylic Polymer, Film Former
Synthetic · Film Forming | Opacifying | Viscosity Controlling · EWG: 4
Synthetic
Occlusive
Synthetic
Clean
A natural film-forming agent that creates a smooth, protective layer on skin while improving product texture and consistency for better spreadability.
CAS #
9010-92-8
Form
Liquid
State
Solid
Synthetic
Synthetic. Synthesized from styrene and acrylic acid monomers, which are petroleum-derived chemical compounds. Produced through free radical polymerization, combining the monomers into a long-chain copolymer structure.
Function
Film Forming | Opacifying | Viscosity Controlling
Benefits
Film Forming
Opacifying
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
Creates protective layer
Creates creamy opacity
Controls product thickness
Traditional Use
Synthetic polymer developed in the mid-20th century from petroleum-derived monomers. Used in cosmetics primarily as a film-former and thickening agent with no traditional counterpart.
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