Sodium Myristoyl Isethionate
AKA “37747-10-7, UNII-8D42TA2T6V, Tetradecanoic acid, 2-sulfoethyl ester, sodium salt, 8D42TA2T6V, 2-Sulfoethyl tetradecanoate, 2-sulfoethylester, SODIUM 2-SULFOETHYL MYRISTATE, RefChem:183993, SODIUM MYRISTOYL ISETHIONATE [INCI]
Surfactant
Ingredient Facts
Sodium myristoyl isethionate
AKA: 37747-10-7, UNII-8D42TA2T6V, Tetradecanoic acid, 2-sulfoethyl ester, Sodium salt, 8D42TA2T6V, 2-Sulfoethyl tetradecanoate, 2-sulfoethylester, SODIUM 2-SULFOETHYL MYRISTATE, RefChem:183993, SODIUM MYRISTOYL ISETHIONATE [INCI]
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
Tetradecanoic acid, 2-sulfoethyl ester, sodium salt
Formula
C16H31NaO5S
Mol. Weight
358.50
CAS #
37747-10-7
Form
Liquid
See origin →
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foaming
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Anti-Inflammatory
Antimicrobial
Fights Acne
Traditional Use
A synthetic surfactant combining myristic acid with isethionic acid. Developed as a mild, conditioning cleanser for sensitive skin and baby care products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR