Sodium C14-18 Olefin Sulfonate

Sodium C14-18 Olefin Sulfonate molecular structure
molecular structure · PubChem
AKA: Surfactant, Anionic Surfactant, Alpha Olefin Sulfonate
Synthetic
Cleanser
Clean
OriginDerived from C14-18 olefins (alkenes), typically sourced from petroleum-based hydrocarbons or synthetic organic compounds. Produced through sulfonation, where sulfuric acid or SO3 is reacted with olefins, then neutralized with sodium hydroxide.
Sulfonic acids, C14-18-alkane hydroxy and C14-18-alkene, sodium salts
CAS #
85409-29-6
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.
Foaming
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Creates Lather
Cleansing Surfactant
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Reviewed by CIR
Pregnancy
Yes
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2013 survey
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR