C10-40 Isoalkyl Acid Octyldodecanol Esters
AKA “Complex ester, Emollient ester
Acid
Ingredient Facts
C10-40 isoalkyl acid octyldodecanol esters
AKA: Complex ester, Emollient ester
Acid · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Acid
Not Clean
1-Dodecanol, 2-octyl-, esters with C10-40 isoalkyl acids
CAS #
-
State
Solid
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.
Viscosity Controlling
Locks in moisture
Traditional Use
Synthetic ester created as a modern cosmetic ingredient to provide emollient and conditioning properties. Developed as an alternative to traditional plant-derived oils for improved stability and consistency.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
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: CosIng · EWG · CIR