Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer
AKA “Acrylic Crosspolymer
Synthetic
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Ingredient Facts
Butyl acrylate/isopropylacrylamide/peg-18 dimethacrylate crosspolymer
AKA: Acrylic Crosspolymer
Synthetic · Emulsion Stabilising | Film Forming | Skin Conditioning · EWG: 4
Plant-Derived
Occlusive
Emulsifier
Skin Conditioner
Synthetic
Not Clean
Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer is a crosslinked copolymer of butyl acrylate, isopropylacrylamide and PEG-18 dimethacrylate monomers Science: Functions: Emulsion Stabilising, Film Forming, Skin Conditioning Safety Ratings: CIR: Safe as used
CAS #
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Plant-Derived
Synthetic. Synthesized from butyl acrylate, isopropylacrylamide, and PEG-18 dimethacrylate monomers derived from petrochemical sources. Produced through free radical polymerization and crosslinking of these acrylic monomers to form a stable copolymer network.
Function
Emulsion Stabilising | Film Forming | Skin Conditioning
Benefits
Locks in moisture
Traditional Use
A complex synthetic crosspolymer developed in the late 20th century for cosmetic use as a film-former and stabilizer. Designed to provide improved texture and water resistance in skincare and makeup products.
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, Mild Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR