PPG-2 C9-11 Pareth-11
AKA “Polypropylene Glycol Pareth, PPG-2 C9-11 Pareth-11
Synthetic
Ingredient Facts
Ppg-2 c9-11 pareth-11
AKA: Polypropylene Glycol Pareth
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Synthetic
Clean
PPG-2 C9-11 Pareth-11 is the polypropylene glycol ether of a mixture of synthetic C9-11 ethoxylated fatty alcohols containing an average of 11 moles of ethylene oxide and 2 moles of propylene oxide. Science: Functions: Cleansing, Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
CAS #
-
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Fights Acne
Removes dirt and impurities
Lifts away dirt and oil
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR