Octyldodecyl Isostearate

AKA: Isooctadecanoic acid, 2-octyldodecyl ester, 93803-87-3, 2-Octyldodecyl isooctadecanoate, 2-octyldodecyl isostearate, HEST ODIS
Plant-Derived
Skin Conditioner
Plant Oil
Clean
2-Octyldodecyl isooctadecanoate
Formula
C38H76O2
Mol. Weight
565.00
CAS #
93803-87-3
Form
Liquid
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.
Locks in moisture
Traditional Use
Synthetic ester developed in the 20th century as an emollient and solvent for cosmetic formulations. No traditional use; created to provide a light feel and improve absorption in skincare products.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️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