Myristyl Sultaine

AKA: 14933-09-6, Zwittergent 3-14, 1-Tetradecanaminium, Inner salt, N-tetradecyl-N, N-dimethyl-3-amino-1-propane sulfonate, N-dimethylammonium-1-propane-3-sulfonate, Myristyl sulfobetaine, 3-(N, N-Dimethylmyristylammonio)propanesulfonate, N-Tetradecyl-N, N-dimethyl-3-ammonio-1-propanesulfonate, 3-[dimethyl(tetradecyl)azaniumyl]propane-1-sulfonate
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from coconut oil or palm kernel oil fatty acids and ammonia as starting materials. Synthesized through condensation and sulfation reactions to create an amphoteric surfactant compound.
1-Tetradecanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt
Formula
C19H41NO3S
Mol. Weight
363.60
CAS #
14933-09-6
Form
Liquid
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.
Skin 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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
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 2024
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR