Chimyl Isostearate
molecular structure · PubChem
AKA: Isostearic acid, Chimyl ester, Isooctadecanoic acid, 3-hexadecyloxy-2-hydroxypropyl ester, CHIMYL ISOSTEARATE [INCI], ISOSTEARIC ACID
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Isostearic acid, 3-hexadecyloxy-2-hydroxypropyl ester
Formula
C37H74O4
Mol. Weight
583.0
CAS #
245653-24-1
Form
Liquid
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
Traditional Use
A synthetic ester created in the latter half of the 20th century by combining chimyl alcohol with isostearic acid. Designed to provide emollient and conditioning properties in skincare and cosmetic formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR