Sodium Methyltaurate

AKA: Sodium 2-(methylamino)ethanesulfonate, Sodium N-methyltaurinate, Ethanesulfonic acid, Sodium salt (1:1)
Synthetic
Skin Conditioner
Not Clean
OriginDerived from taurine and methyl sulfonic acid, both synthetic organic compounds produced industrially. Synthesized through the sulfonation and methylation of taurine via chemical reaction with methyl sulfonic acid.
Ethanesulfonic acid, 2-(methylamino)-, monosodium salt
Formula
C3H8NNaO3S
Mol. Weight
161.16
CAS #
4316-74-9
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
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
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating (CIR 702)
Eye Irritant in Testing
1 study / 1 irritating (CIR 702)
Concentration Guide
Leave-onNot reported
Rinse-off0.11–3%
0%50%100%
CIR reported use · 2015 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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