murphyPolymethyl Acrylate
AKA: PMA, Poly(methyl acrylate)
Synthetic
Occlusive
Clean
OriginPolymethyl acrylate is a synthetic polymer derived from acrylic acid and methanol as starting materials. It is synthesized through free-radical polymerization of methyl acrylate monomers.
Methyl 2-propenoate, homopolymer
CAS #
9003-21-8
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Wound Healing
Antimicrobial
Boosts Collagen
Creates protective layer
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR