murphyMethacryloyl Ethyl Betaine/Acrylates Copolymer
AKA: Film Former
Synthetic
Occlusive
Clean
OriginSynthesized from methacrylic acid derivatives and acrylic monomers combined with betaine-based compounds. Produced through free radical polymerization of the monomers to form cross-linked polymer chains.
N-Carboxylatomethyl-N,N-dimethyl-4-methyl-3-oxo-4-pentenaminium, polymer with 2-methyl-2-propenoic acid or its simple esters
CAS #
87435-35-6
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Fixing
Wound Healing
Anti-Inflammatory
Strengthens Barrier
Creates protective layer
Reduces flyaways
Holds hair in place
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR