Sodium Coceth Sulfate
molecular structure · PubChem
AKA: Coconut Ether Sulfate
Allergen Warning
⚠️ Tree Nut (Coconut)
Synthetic
Cleanser
Plant Oil
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-(coco-alkyl)oxy-, sodium salts (1-4 mol EO average molar ratio)
CAS #
68891-38-3
Form
Powder
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.
Surfactant Cleansing
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Traditional Use
A modern synthetic surfactant developed in the mid-20th century from coconut oil-derived ethoxylated alcohols. Created as a gentler alternative to harsher cleansing agents in shampoos.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR