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
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
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
Traditional Use
Synthetic quaternary ammonium salt derived from myristic acid, developed in the 20th century as a conditioning and anti-static agent for haircare; no traditional use.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR