Disodium Oleth-3 Sulfosuccinate
molecular structure · PubChem
AKA: Olive-derived surfactant, Mild cleanser
Synthetic
Cleanser
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-3-carboxy-1-oxosulfopropyl-.omega.-9-(Z)-octadecenyloxy-, disodium salts (3 mol EO average molar ratio)
CAS #
68311-03-5; 39354-45-5; 58450-52-5; 40754-59-4; 42015-08-0; 68815-56-5
Form
Liquid
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.
Foam Boosting
Hydrotrope
Removes Impurities
Cleansing Surfactant
Boosts Lather
Surfactant Hydrotrope
Antioxidant Protection
Traditional Use
Developed as a sulfosuccinate ester derived from oleic acid in modern cosmetics. Designed as a mild surfactant alternative for gentle skin and hair cleansing.
EWG
4
CIR
Safe as used
Pregnancy
Yes
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