Polypropyl Methacrylate

AKA: PPMA, Poly(propyl methacrylate)
Synthetic
Occlusive
Not Clean
OriginSynthesized from methyl methacrylate and propanol, belonging to the acrylic polymer chemical family. Produced through free-radical polymerization of propyl methacrylate monomers to form long-chain polymer chains.
Propyl 2-methyl-2-propenoate homopolymer
CAS #
-
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.
Creates Protective Barrier
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2018
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR