Ethylhexyl C10-40 Isoalkyl Acidate
AKA “Ethylhexyl isododecanoate, Isoalkyl ester
Acid
Ingredient Facts
Ethylhexyl c10-40 isoalkyl acidate
AKA: Ethylhexyl isododecanoate, Isoalkyl ester
Acid · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Acid
Not Clean
Ethylhexyl C10-40 Isoalkyl Acidate is the ester of C10-40 isoalkyl acid and 2-ethylhexyl alcohol
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
A modern synthetic ester developed for cosmetics. Functions as an emollient and conditioning agent in high-end skincare and makeup formulations.
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