PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer

AKA: Silicone Polymer, Film Former
Synthetic
Occlusive
Acid
Not Clean
PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer is copolymer of methacrylic acid and polyethylene glycol, polypropylene glycol methacrylate containing an average of 5 moles of ethylene oxide and 2 moles of propylene oxide, crosslinked with glycol dimethacrylate
CAS #
-
State
Solid
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
Synthetic polymer developed for cosmetic use, typically used as a film former and viscosity builder. Created to improve product stability and create durable finishes in makeup formulations.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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