murphyDisodium Laureth-9 Sulfosuccinate
molecular structure · PubChem
AKA: Lauryl sulfosuccinate, Mild surfactant
Synthetic
Cleanser
Not Clean
OriginDerived from coconut or palm kernel oil-derived fatty alcohols and maleic anhydride as starting materials. Synthesized through sulfonation and esterification reactions followed by neutralization with sodium hydroxide.
Poly(oxy-1,2-ethanediyl), .alpha.-(3-carboxy-1-oxo-3-sulfopropyl)-.omega.-(dodecyloxy)-, disodium salt
CAS #
58450-52-5
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.
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR