Styrene/Acrylates Copolymer
AKA “Styrene acrylate copolymer, acrylic resin
Synthetic
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Ingredient Facts
Styrene/acrylates copolymer
AKA: Styrene acrylate copolymer, Acrylic resin
Synthetic · Film Forming | Opacifying | Skin Conditioning - Occlusive | Smoothing · EWG: 2
Plant-Derived
Occlusive
Skin Conditioner
Synthetic
Clean
Creates a smooth, protective layer on skin while adding opacity and coverage to the formula.
CAS #
27306-39-4, 25034-86-0, 25085-34-1, 9010-92-8
Form
Liquid
Plant-Derived
Synthetic. Synthesized from styrene and acrylic monomers, both petroleum-derived chemical compounds. Produced through free radical polymerization of styrene and acrylate monomers to form a copolymer.
Function
Film Forming | Opacifying | Skin Conditioning - Occlusive | Smoothing
Benefits
Creates Protective Barrier
Adds Opacity
Creates protective layer
Creates creamy opacity
Traditional Use
A synthetic polymer developed in the mid-20th century through petrochemical synthesis. Used in cosmetics as a film-forming agent and thickener, particularly in hair care and styling products.
Skin Types
all-skin-types, gentle
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score2
CIR Safety Findings
ewg-2, medical-approval, pregnancy-nursing-safe, all-shades-safe, Not a Sensitizer
Concentration Guide
0.06%
0%0%
Reg. Limit
SCCS maximum safe concentration: 0.06%. Product type: cosmetic products. Source: SCCS Opinion SCCS/1595/18.
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR