Hexyl Isostearate

AKA: Hexyl isooctadecanoate, HEXYL 16-METHYLHEPTADECANOATE, 94247-25-3, Heptadecanoic acid, Hexyl ester, 1026180-50-6
Plant-Derived
Emollient
Skin Conditioner
Not Clean
OriginDerived from plant-based fatty acids and isostearic acid, typically sourced from vegetable oils like coconut or palm. Produced through esterification of isostearic acid with hexyl alcohol via chemical synthesis.
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C24H48O2
Mol. Weight
368.60
CAS #
94247-25-3
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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-reviewednone on file
⚖️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
Concentration Guide
Leave-on0.008–0.04%
Rinse-offNot reported
0%50%100%
CIR reported use · 2012 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR