Octyldodecyl Stearate
AKA “2-Octyldodecyl stearate, 2-Octyl-1-dodecyl stearate, Stearic acid, 2-octyldodecyl ester, Octadecanoic acid, UNII-K6F16QGO28, CERAPHYL ODS
Synthetic
Ingredient Facts
Octyldodecyl stearate
AKA: 2-Octyldodecyl stearate, 2-Octyl-1-dodecyl stearate, Stearic acid, 2-octyldodecyl ester, Octadecanoic acid, UNII-K6F16QGO28, CERAPHYL ODS
Synthetic · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight emollient that softens and smooths skin, leaving it feeling nourished and comfortable without heaviness.
Formula
C38H76O2
Mol. Weight
565.00
CAS #
22766-82-1
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 developed in modern cosmetic chemistry as an emollient and texture enhancer. Created to provide smooth, non-sticky skin conditioning comparable to natural fatty acids found in traditional skincare oils.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Amended Final Report on the Safety Assessment of Hydroxystearic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Isostearic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Oleic Acid, Lauric Acid, Palmitic Acid, Myristic Acid, and Stearic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Polyhydroxystearic Acid, Poly(3-Hydroxyoctanoic Acid, and Polylactic Acid as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Re-evaluation: Safety Assessment of Hydroxystearic Acid as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR