Polypropylene

AKA: Polypropene
Synthetic
Clean
OriginPolypropylene is a synthetic polymer derived from propylene, a hydrocarbon byproduct of crude oil refining. It is produced through catalytic polymerization of propylene monomers using Ziegler-Natta or metallocene catalysts.
1-Propene, homopolymer
CAS #
9003-07-0
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Viscosity Controlling
Controls Viscosity
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.05–68.6%
Rinse-off0.2–66%
0%50%100%
CIR reported use · report published 2020
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR