C22-24 Pareth-33

AKA: Polyethylene Glycol Ether, PEG Surfactant
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from long-chain fatty alcohols and ethylene oxide, belonging to the polyethylene glycol ether surfactant family. Synthesized through ethoxylation of C22-24 fatty alcohols with approximately 33 moles of ethylene oxide.
Alcohols, C22-24, ethoxylated (33 mol EO average molar ratio)
CAS #
246538-84-1
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
Removes Impurities
Stabilizes Emulsion
Cleansing Surfactant
Emulsifier
Removes dirt and impurities
Lifts away dirt and oil
Mixes oil and water
Keeps product blended
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR