murphyPPG-8-Ceteth-20
molecular structure · PubChem
AKA: Polypropylene Glycol Cetyl Ether
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from propylene glycol and fatty alcohols, typically sourced from petroleum or plant oils. Synthesized through ethoxylation, where ethylene oxide is added to create a surfactant polymer chain.
Oxirane, methyl-, polymer with oxirane, hexadecyl ether
CAS #
9087-53-0, 37311-01-6
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️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
Restricted By
Concentration Guide
Leave-on0.1–1.1%
Rinse-off0.072–2%
0%50%100%
CIR reported use · report published 2016
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR