Magnesium Isododecylbenzenesulfonate

AKA: Magnesium dodecylbenzenesulfonate, 27479-45-4, Magnesium dodecylbenzenesulphonate, Magnesium dodecyl benzene sulfonate, Benzenesulfonic acid, Magnesium salt, Magnesium salt (2:1)
Synthetic
Cleanser
Not Clean
OriginSynthesized from isododecylbenzene and sulfuric acid, belonging to the alkylbenzenesulfonate surfactant chemical family. Produced through sulfonation of isododecylbenzene followed by neutralization with magnesium hydroxide or oxide.
Magnesium dodecylbenzenesulphonate
Formula
C36H58MgO6S2
Mol. Weight
675.30
CAS #
27479-45-4
Form
Powder
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.
Surfactant Cleansing
Anti-Inflammatory
Fights Acne
Antioxidant
Removes dirt and impurities
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)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR