murphyCeteareth-100
molecular structure · PubChem
AKA: PEG-100 Cetearyl Ether
Plant-Derived
Cleanser
Not Clean
OriginTypically derived from coconut, palm kernel, or soybean oils as the starting material. Produced through ethoxylation, where ethylene oxide is chemically bonded to cetearyl alcohol.
C16-18 alcohols, ethoxylated (100 mol EO average molar ratio)
CAS #
68439-49-6
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2010 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR