Tetradecyloctadecyl Myristate

AKA: Myristic acid, Tetradecyloctadecyl ester, Tetradecyloctadecyl myristate [INCI], Tetradecanoic acid, 2-tetradecyloctadecyl ester, 231627-81-9, (+-)-TETRADECYLOCTADECYL MYRISTATE
Synthetic
Occlusive
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from myristic acid and long-chain alcohols (tetradecanol and octadecanol), both synthetic fatty compounds. Synthesized through esterification of myristic acid with the mixed long-chain alcohols under catalytic conditions.
Myristic acid, tetradecyloctadecyl ester
Formula
C46H92O2
Mol. Weight
677.20
CAS #
231627-81-9
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Opacifying
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️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
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