Myristyl Betaine

AKA: 2601-33-4, 1-Tetradecanaminium, N-(carboxymethyl)-N, Inner salt, Myristyl dimethyl glycine, Myristyl dimethyl betaine, (Carboxylatomethyl)dimethyltetradecylammonium, N-TETRADECYL BETAINE, Hydroxide
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginDerived from coconut or palm kernel oil-derived fatty alcohols and dimethylaminopropionic acid. Synthesized through condensation reaction between the fatty alcohol and the amino acid derivative.
(Carboxylatomethyl)dimethyltetradecylammonium
Formula
C18H37NO2
Mol. Weight
299.50
CAS #
2601-33-4
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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.
Foam Boosting
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
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-onNot reported
Rinse-off0.84%
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR