Sodium Decyl Sulfate

Sodium Decyl Sulfate molecular structure
molecular structure · PubChem
AKA: 142-87-0, Decyl sodium sulfate, Sodium decyl sulphate, Sulfuric acid, Monodecyl ester, Sodium salt (1:1)
Synthetic
Cleanser
Plant Oil
Not Clean
Sulfuric acid, monodecyl ester, sodium salt
Formula
C10H21NaO4S
Mol. Weight
260.33
CAS #
142-87-0
Form
Liquid
State
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
Surfactant Cleansing
Surfactant Foam Boosting
Moisturizing
Strengthens Barrier
Antimicrobial
Removes dirt and impurities
Enhances lather
Lifts away dirt and oil
Traditional Use
Synthesized in early-to-mid 20th century cosmetic chemistry as a straight-chain alkyl sulfate surfactant. Created as a cleansing agent with moderate strength and good foaming properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR