Dioctyldodecyl Dimer Dilinoleate

AKA: Bis(2-octyldodecyl) (Z)-hexatriacont-18-enedioate
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from linoleic acid and fatty alcohols, belonging to the synthetic ester chemical family. Synthesized through esterification of linoleic acid with branched aliphatic alcohols via catalytic reaction.
9,12-Octadecadienoic acid dimer (Z,Z)-, octyldodecyl diester
Formula
C76H148O4
Mol. Weight
1126.00
CAS #
129423-60-5
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 259 and 767)
Not an Eye Irritant
1 study / 1 not irritating (CIR 259)
Not a Skin Irritant
2 studies / 2 not irritating (CIR 259)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2023
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR