murphyLauroyl Ethyltrimonium Methosulfate
AKA: Surfactive V 12, Lauroyl ethyltrimonium methosulfate [INCI], Ethanaminium, Methyl sulfate (1:1), 84979-98-6
Synthetic
Cleanser
Not Clean
OriginDerived from coconut oil through extraction of lauric acid and subsequent quaternization with ethyltrimonium and methosulfate groups. Synthesized by chemical modification of lauric acid through amidation and quaternary ammonium salt formation.
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...Lauroyl Ethyltrimonium Methosulfate...
Formula
C18H39NO6S
Mol. Weight
397.60
CAS #
851385-89-2
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
Moisturizing
Strengthens Barrier
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR