Polyacrylate-21
AKA “Polymer, Acrylate Polymer
Synthetic
Ingredient Facts
Polyacrylate-21
AKA: Polymer, Acrylate Polymer
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Synthetic
Clean
Polyacrylate-21 is a copolymer of 2-ethylhexyl acrylate, butyl methacrylate, methacrylic acid, methyl methacrylate, hydroxypropyl methacrylate and styrene Science: Functions: Binding, Film Forming, Hair Fixing Safety Ratings: CIR: Safe as used
CAS #
-
Form
Powder
See origin →
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Fixing
Holds Formula Together
Creates Protective Barrier
Creates protective layer
Holds hair in place
Holds ingredients together
Traditional Use
A synthetic polymer created for cosmetic applications as a thickening and stabilizing agent, with no traditional use history.
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
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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International Journal of Toxicology
Final Report of the Amended Safety Assessment of PVM/MA Copolymer and Its Related Salts and Esters as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report of the Cosmetic Ingredient Review Expert Panel Safety Assessment of Polymethyl Methacrylate (PMMA), Methyl Methacrylate Crosspolymer and Methyl Methacrylate/Glycol Dimethacrylate Crosspol
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International Journal of Toxicology
Final Report on the Safety Assessment of Acrylates Copolymer and 33 Related Cosmetic Ingredients
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Ethyl Ester of PVM/MA Copolymer and Butyl Ester of PVM/MA Copolymer
Cosmetic Ingredient Review (CIR) Expert Panel
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Final Report on the Safety Assessment of Polyvinylpyrrolidone/Vinyl Acetate Copolymer
Cosmetic Ingredient Review (CIR) Expert Panel
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Final Report on the Safety Assessment of Vinyl Acetate/Crotonic Acid Copolymer
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Acrylamide/Acrylate Copolymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Acryloyldimethyltaurate Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Acryloyloxyethyl Phosphorylcholine Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Dimethicones, Methicone and Substituted-Methicone Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Hexamethylene Diisocyanate (HDI) Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Polymerized Tetramethylcyclotetrasiloxanes as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Polyoxyalkylene Siloxane Copolymers, Alkyl-Polyoxyalkylene Siloxane Copolymers and Related Ingredients as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Styrene and Vinyl-type Copolymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Re-evalution, Final Report: Safety Assessment of Acrylates Copolymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Re-Review Summary of VA/Crotonates Copolymer as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Dimethicone Crosspolymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Modified Terephthalate Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Polyfluorinated Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Trimellitic Anhydride Copolymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Vinylpyrrolidone Polymers as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Scientific Literature Review: Safety Assessment of Polyacrylate Crosspolymer-6 as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Acrylamide/Ammonium Acrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylamide/Sodium Acrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylamide/Sodium Acryloyldimethyltaurate/Acrylic Acid Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylamidopropyltrimonium Chloride/Acrylamide Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylamidopropyltrimonium Chloride/Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Acrylamide Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Ammonium Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Beheneth-25 Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/C12-22 Alkyl Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Ethylhexyl Acrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Ethylhexyl Acrylate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Hydroxyesters Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Methoxy PEG-15 Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Octylacrylamide Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Palmeth-25 Acrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Steareth-20 Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Stearyl Methacrylate Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/t-Butylacrylamide Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Vinyl Isodecanoate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/Vinyl Neodecanoate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Acrylates/VP Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Allyl Methacrylates Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Ammonium Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Ammonium Acryloyldimethyltaurate/Steareth-25 Methacrylate Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Ammonium Acryloyldimethyltaurate/VP Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Ammonium Styrene/Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
AMP-Acrylates Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR