Lauryl Sultaine

AKA: Dodecyldimethyl(3-sulfopropyl)azanium, 14933-08-5, N-Dodecyl-N, N-Dimethyl-3-Ammonio-1-Propanesulfonate, N-dimethyl-N-(3-sulfopropyl)dodecan-1-aminium, N-dimethyl-n-(3-sulfopropyl)-1-dodecanaminium, CHEBI:41362
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
OriginDerived from coconut or palm kernel oils as the primary fatty material source. Synthesized through sulfonation of the fatty alcohol lauryl alcohol, then neutralized with sodium carbonate.
Dodecyldimethyl(3-sulphonatopropyl)ammonium
Formula
C17H38NO3S+
Mol. Weight
336.60
CAS #
14933-08-5
Form
Powder
State
Nearly white to white hygroscopic crystalline powder; [TCI America MSDS]
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Viscosity Controlling
Locks in moisture
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
2 studies / 2 irritating / reactions moderate (CIR 750)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2017 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR