Sodium Methyl Stearoyl Taurate
AKA “Ethanesulfonic acid, sodium salt, Sodium 2-[methyl(1-oxooctadecyl)amino]ethanesulphonate, NIKKOL SMT, sodium salt (1:1), Sodium N-methyl-N-stearoyl taurate, Sodium N-stearoyl-N-methyl taurate
Synthetic
Ingredient Facts
Sodium methyl stearoyl taurate
AKA: Ethanesulfonic acid, Sodium salt, Sodium 2-[methyl(1-oxooctadecyl)amino]ethanesulphonate, NIKKOL SMT, Sodium salt (1:1), Sodium N-methyl-N-stearoyl taurate, Sodium N-stearoyl-N-methyl taurate
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Plant Oil
Synthetic
Clean
A gentle plant-derived cleanser that removes impurities while creating a light, airy lather for a luxurious cleansing experience.
Formula
C21H42NNaO4S
Mol. Weight
427.60
CAS #
149-39-3
Form
Liquid
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.
Foaming
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
Antimicrobial
Fights Acne
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Traditional Use
A synthetic amino acid surfactant based on taurine and stearic acid. Created to provide mild cleansing properties with reduced skin irritation compared to sulfate surfactants.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR