Cetearyl Nonanoate

AKA: Cetearyl Ester, Cetyl Stearyl Nonanoate

Plant-Derived

Emollient

Skin Conditioner

Plant Oil

Clean

Cetearyl Nonanoate is a cosmetic ingredient used as skin conditioning - emollient. Rated low hazard by EWG. Assessed as safe by the CIR.

CAS #

-

Form

Oil

Functions

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 cetyl and stearyl alcohols with nonanoic acid. Created as a lightweight emollient and texture enhancer in modern cosmetic formulations.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

ewg-1

medical-approval

pregnancy-nursing-safe

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types, gentle

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

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Verified Jun 2026

Data: CosIng · EWG · CIR