Octyldodecyl Isostearate
AKA “Isooctadecanoic acid, 2-octyldodecyl ester, 93803-87-3, 2-Octyldodecyl isooctadecanoate, 2-octyldodecyl isostearate, EINECS 298-361-4, 9VT64134L0, HEST ODIS, EC 298-361-4, RefChem:856123
Skin Conditioning
Ingredient Facts
Octyldodecyl isostearate
AKA: Isooctadecanoic acid, 2-octyldodecyl ester, 93803-87-3, 2-Octyldodecyl isooctadecanoate, 2-octyldodecyl isostearate, EINECS 298-361-4, 9VT64134L0, HEST ODIS, EC 298-361-4, RefChem:856123
Skin Conditioning · Skin Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Plant Oil
Clean
2-Octyldodecyl isooctadecanoate
Formula
C38H76O2
Mol. Weight
565.00
CAS #
93803-87-3
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.
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.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR