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
Tetradecanoic acid, isooctadecyl ester
Formula
C32H64O2
Mol. Weight
480.80
CAS #
72576-81-9
Form
Liquid
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
Traditional Use
A synthetic ester created as a lightweight cosmetic emollient and skin conditioning agent. Formulated to provide smooth texture and hydration without heaviness in skincare products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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