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Cetearyl Nonanoate
AKA “Cetearyl Ester, Cetyl Stearyl Nonanoate”
Synthetic
Ingredient Facts
Cetearyl nonanoate
AKA: Cetearyl Ester, Cetyl Stearyl Nonanoate
Synthetic · Emollient · EWG: 1
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Synthetic
Clean
Science: Origin: Botanic/Natural | Functions: Skin Conditioning - Emollient Safety Ratings: CIR: Safe as used
CAS #
-
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
Traditional Use
A synthetic ester combining cetyl and stearyl alcohols with nonanoic acid. Created as a lightweight emollient and texture enhancer in modern cosmetic formulations.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR