Isodecyl Hydroxystearate
AKA “RefChem:791844, 8-methylnonyl 2-hydroxyoctadecanoate, SCHEMBL3312968, DTXSID80725284”
Emollient
Ingredient Facts
Isodecyl hydroxystearate
AKA: RefChem:791844, 8-methylnonyl 2-hydroxyoctadecanoate, SCHEMBL3312968, DTXSID80725284
Emollient · Emollient · EWG: 3
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Octadecanoic acid, hydroxy-, 3,7-dimethyloctyl ester
Formula
C28H56O3
Mol. Weight
440.70
CAS #
29383-27-5
Form
Liquid
See origin →
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
Synthetic ester created for cosmetic applications as an emollient and conditioning agent with improved stability compared to natural analogs.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR