Ammonium Acrylates Copolymer
AKA “Acrylic Polymer, Film Forming Polymer
Ingredient
Ingredient Facts
Ammonium acrylates copolymer
AKA: Acrylic Polymer, Film Forming Polymer
Ingredient · Film Forming · EWG: 2
Synthetic
Occlusive
Clean
2-Methyl-2-propenoic acid, polymer with 2-propenoic acid or one or more of their simple esters, ammonium salts
CAS #
37809-64-6
Form
Liquid
State
Solid
See origin →
Functions
Antistatic
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Reduces Static
Holds Formula Together
Creates Protective Barrier
Controls Viscosity
Reduces Inflammation
Locks In Moisture
Creates protective layer
Reduces flyaways
Holds ingredients together
Controls product thickness
Traditional Use
Developed in the late 20th century as a synthetic polymer for use in hair styling products and cosmetic formulations. Created to provide film-forming and holding properties in modern cosmetic applications.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR