Di-C20-40 Alkyl Dimer Dilinoleate

Synthetic
Skin Conditioner
Clean
OriginDerived from C20-40 fatty alcohols and dilinoleic acid, both synthetic or plant-oil derived compounds. Produced through esterification reaction between the fatty alcohols and dilinoleic acid under catalytic conditions.
Di-C20-40 Alkyl Dimer Dilinoleate is the diester of C20-40 Alcohols and Dilinoleic Acid (q.v.)
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.
Viscosity Controlling
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
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: CosIng · EWG · CIR