murphyAcrylamide/Ammonium Acrylate Copolymer
molecular structure · PubChem
AKA: Acrylamide Copolymer
Synthetic
Occlusive
Not Clean
OriginSynthesized from acrylic acid and acrylamide monomers, belonging to the synthetic polymer chemical family. Produced through free-radical polymerization of acrylamide and acrylic acid under controlled conditions.
2-Propenoic acid, ammomium salt, polymer with 2-propenamide
CAS #
26100-47-0
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 843)
Not an Eye Irritant
1 study / 1 not irritating (CIR 843)
Mixed Skin Irritation Results
4 studies / 1 mixed / 3 not irritating / reactions mild (CIR 843)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2020 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR