Cholesteryl Nonanoate

AKA: Cholesteryl pelargonate, 1182-66-7, Cholesterol pelargonate, GOnate

Synthetic

Emollient

Skin Conditioner

Barrier Lipid

Clean

Cholest-5-ene-3-beta-yl nonanoate

Formula

C36H62O2

Mol. Weight

526.90

CAS #

1182-66-7

Form

Wax

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 created by combining cholesterol with nonanoic acid in the 20th century. Used in cosmetics as an emollient and skin-conditioning agent with improved stability.

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-reviewed1 paper →

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

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

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR