Polypropyl Methacrylate
molecular structure · PubChem
AKA: PPMA, Poly(propyl methacrylate)
Synthetic
Occlusive
Not Clean
Propyl 2-methyl-2-propenoate homopolymer
CAS #
-
Form
Powder
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
Traditional Use
A synthetic acrylic polymer developed in the mid-20th century for use as a film-former and texture modifier in cosmetics. Created to replace natural gums and resins with more stable, predictable synthetic alternatives.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR