Isostearyl Myristate

AKA: Protachem ipm, Salacos 812, 72576-81-9, Cosmol 812, Isostearyl myristate [INCI], Tetradecanoic acid, Isooctadecyl ester
Plant-Derived
Emollient
Skin Conditioner
Not Clean
OriginDerived from myristic acid and isostearyl alcohol, both obtained from natural plant oils through chemical processing. Synthesized through esterification, combining myristic acid with isostearyl alcohol using catalytic methods.
Tetradecanoic acid, isooctadecyl ester
Formula
C32H64O2
Mol. Weight
480.80
CAS #
72576-81-9
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR