Myristoyl Ethyltrimonium Methosulfate

AKA: Surfactive V 14, O-Myristoylcholine methyl sulfate, Choline, Methyl sulfate, Myristate, Myristic acid, Ester with choline methyl sulfate, 34202-23-8, Myristoyl ethyltrimonium methosulfate [INCI], Ethanaminium
Synthetic
Cleanser
Not Clean
OriginDerived from myristic acid (a saturated fatty acid) and ethyltrimonium chloride as starting materials. Synthesized through quaternization reaction combining the fatty acid derivative with a quaternary ammonium compound.
The CIR Expert Panel concluded the following ingredients are safe in the present practices of use and concentration described in the safety assessment when formulated to be non-irritating...Myristoyl Ethyltrimonium Methosulfate...
Formula
C20H43NO6S
Mol. Weight
425.60
CAS #
851385-90-5
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
Antimicrobial
Fights Acne
Removes dirt and impurities
Lifts away dirt and oil
The paper trail
🔬Peer-reviewednone on file
⚖️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
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR