Ceteareth-28
molecular structure · PubChem
AKA: Ceteareth 28, Cetyl and stearyl alcohol ethoxylate
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginTypically derived from coconut or palm kernel oil fatty alcohols as the starting material. Produced through ethoxylation, where ethylene oxide is chemically bonded to the fatty alcohol chain.
C16-18 alcohols, ethoxylated (28 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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Cleansing Surfactant
Emulsifier
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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