Isostearyl Avocadate
AKA “Isostearyl avocado oil ester, Isostearyl avocado derivative”
Emollient
Ingredient Facts
Isostearyl avocadate
AKA: Isostearyl avocado oil ester, Isostearyl avocado derivative
Emollient · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Fatty acids, avocado-oil, isooctadecyl esters
Effective at 43.75%
CAS #
90990-06-0
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
A synthetic ester combining isostearyl alcohol with avocado oil derivatives. Developed to provide the emollient and conditioning benefits of avocado oil in a more stable, cosmetically elegant form.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.5%
87.0%
0%100%
Effective Range
CIR reported use: 0.9-16 | 0.5-87
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR