Disodium Laureth Sulfosuccinate

AKA: Disodium 4-(2-(dodecyloxy)ethyl) 2-sulphonatosuccinate, 94108-10-8, Butanedioic acid, 4-(2-(dodecyloxy)ethyl) ester, Sodium salt (1:2), 4-(2-dodecoxyethoxy)-4-oxo-2-sulfonatobutanoate Disodium
Synthetic
Cleanser
Plant Oil
Clean
Poly(Oxy-1,2-Ethanediyl), .alpha.-(3-Carboxy-1-Oxo-3-Sulfopropyl)-.omega.-(Dodecyloxy)-, Disodium Salt
Formula
C18H32Na2O8S
Mol. Weight
454.50
CAS #
39354-45-5, 40754-59-4, 42016-08-0, 58450-52-5, 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.
Foaming
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
Surfactant Cleansing
Surfactant Foam Boosting
Antimicrobial
Fights Acne
Anti-Inflammatory
Traditional Use
Developed as a sulfosuccinate ester surfactant family in the 1980s. Created to offer mild cleansing properties suitable for sensitive skin formulations and baby care products.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR