Ammonium Dodecylbenzenesulfonate

AKA: Benzenesulfonic acid, Ammonium salt (1:1), Ammonium lauryl benzene sulfonate, Dodecylbenzenesulfonic acid, Ammonium salt, 1331-61-9, Ammonium dodecylbenzenesulphonate, AMMONIUM 2-DODECYLBENZENESULFONATE, Azanium;2-dodecylbenzenesulfonate
Synthetic
Cleanser
Not Clean
OriginDerived from long-chain alkylbenzene and sulfuric acid, belonging to the synthetic sulfonate surfactant family. Synthesized through sulfonation of dodecylbenzene followed by neutralization with ammonia.
Ammonium dodecylbenzenesulphonate
Formula
C18H33NO3S
Mol. Weight
343.50
CAS #
1331-61-9
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.
Foaming
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Creates Lather
Cleansing Surfactant
Reduces Inflammation
Locks In Moisture
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 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
Skin Irritant in Testing (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 544)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2010
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR