DEA-Methyl Myristate Sulfonate
molecular structure · PubChem
AKA: Diethanolamine methyl myristate sulfonate, 64131-36-8, Dea-methyl myristate sulfonate [INCI]
Synthetic
Cleanser
Not Clean
Tetradecanoic acid, 2-sulfo-, 1-methyl ester, 2,2'-iminobisethanol salt
Formula
C19H41NO7S
Mol. Weight
427.60
CAS #
-
Form
Liquid
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.
Removes Impurities
Creates Lather
Cleansing Surfactant
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Traditional Use
A synthetic anionic surfactant created in the 20th century for cosmetic formulations. Designed to provide cleansing and emulsifying properties in personal care products.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️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