Sodium Decyl Sulfate

Sodium Decyl Sulfate 1
molecular structure · PubChem CID 23665771
AKA: 142-87-0, Decyl sodium sulfate, Sodium decyl sulphate, Sulfuric acid, Monodecyl ester, Sodium salt (1:1)
Synthetic
Cleanser
Not Clean
OriginDerived from coconut or palm kernel oils, which contain fatty alcohols used as starting materials. Synthesized through sulfation of decyl alcohol, then neutralized with sodium hydroxide to form the final surfactant.
Sulfuric acid, monodecyl ester, sodium salt
Formula
C10H21NaO4S
Mol. Weight
260.33
CAS #
142-87-0
Form
Liquid
State
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
Surfactant Cleansing
Surfactant Foam Boosting
Moisturizing
Strengthens Barrier
Antimicrobial
Removes dirt and impurities
Enhances lather
Lifts away dirt and oil
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Eye Irritant in Testing
4 studies / 4 irritating (CIR 532)
Skin Irritant in Testing
2 studies / 2 irritating (CIR 532)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR