Acrylamide/Ammonium Acrylate Copolymer
AKA “Acrylamide Copolymer
Synthetic
Ingredient Facts
Acrylamide/ammonium acrylate copolymer
AKA: Acrylamide Copolymer
Synthetic · Film Forming · EWG: 3
Synthetic
Occlusive
Synthetic
Clean
Helps products hold their shape and creates a lightweight film on hair to keep styles in place throughout the day.
CAS #
26100-47-0
Form
Liquid
State
Solid
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 developed in the latter half of the 20th century for cosmetic thickening and suspension purposes. Created to provide stable, uniform texture in lotions and creams without traditional gelling agents.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
No
EWG
3
CIR
Unsafe
Pregnancy
No
CIR Safety Findings
ewg-3
medical-approval
all-shades-safe
Mild Irritant
Regulatory Status
USArestricted
EUpermitted
JAPANpermitted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR