PPG-2 C9-11 Pareth-5

AKA: Polypropylene Glycol Pareth

Synthetic

Cleanser

Emulsifier

Not Clean

PPG-2 C9-11 Pareth-5 is the polypropylene glycol ether a mixture of synthetic C9-11 ethoxylated fatty alcohols containing an average of 5 moles of ethylene oxide and 2 moles of propylene oxide.

CAS #

-

Functions

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Surfactant Emulsifying

Anti-Inflammatory

Moisturizing

Fights Acne

Mixes oil and water

Traditional Use

Developed in the mid-20th century as a synthetic surfactant and emulsifier. Created to improve the texture and stability of cosmetic formulations without natural precedent.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not an Irritant

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️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