Sodium Coceth Sulfate
AKA “Sodium Coceth Sulfate, Coconut Ether Sulfate
Surfactant
Ingredient Facts
Sodium coceth sulfate
AKA: Coconut Ether Sulfate
Surfactant · Cleansing · EWG: 1
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
See origin →
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.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR