Polypropylene

AKA: Polypropene
Synthetic
Clean
1-Propene, homopolymer
CAS #
9003-07-0
Form
Powder
Functions
Viscosity Controlling
Controls Viscosity
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Traditional Use
Developed in the 1950s as a synthetic thermoplastic polymer. Adopted by the cosmetics industry as a thickening agent, emulsifier, and texture component in formulations requiring thermal stability.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR