Magnesium Isododecylbenzenesulfonate
AKA “Magnesium dodecylbenzenesulfonate, Magnesium dodecylbenzenesulphonate, magnesium dodecyl benzene sulfonate, Benzenesulfonic acid, magnesium salt, EINECS 248-489-1, magnesium salt (2:1)
Synthetic
Ingredient Facts
Magnesium isododecylbenzenesulfonate
AKA: Magnesium dodecylbenzenesulfonate, Magnesium dodecylbenzenesulphonate, Magnesium dodecyl benzene sulfonate, Benzenesulfonic acid, Magnesium salt, EINECS 248-489-1, Magnesium salt (2:1)
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Synthetic
Clean
Gently lifts away dirt and oil while cleansing skin and hair. This mild, plant-derived cleanser works to remove impurities without over-drying.
Formula
C36H58MgO6S2
Mol. Weight
675.30
CAS #
27479-45-4
Form
Powder
See origin →
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
Protects skin from free radical damage caused by UV, pollution, and stress
Removes dirt and impurities
Lifts away dirt and oil
Traditional Use
A synthetic surfactant developed in the mid-20th century as part of modern detergent chemistry. Created to improve cleaning efficacy in personal care products without traditional precedent.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR