AKA: Distearyl dimer dilinoleate, 135620-20-1, Octadecyl ester, Octadecyl 10-[5, 6-dihexyl-2-(8-octadecoxy-8-oxooctyl)cyclohex-3-en-1-yl]dec-9-enoate
WHAT IS IT? Plant-Derived
Skin Conditioner
Not Clean
Origin Typically derived from coconut, palm kernel, or soybean oils as the primary plant-based starting materials. Synthesized through esterification and dimerization of linoleic acid-rich plant oil fatty acids.
9,12-Octadecadienoic Acid (9Z, 12Z)-, Octadecyl Ester, Dimer
CAS #
135620-20-1, 501901-81-1
IS IT FOR ME? Pregnancy & Breastfeeding Safe
Yes
WHAT’S IT DO? 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.
CAN I TRUST THIS? The paper trail
🔬 Peer-reviewed none on file
🛡️ Safety-assessed 1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
IS IT CLEAN? CIR Safety Findings
Not an Eye Irritant
2 studies / 2 not irritating (CIR 259 and 767)
Not a Skin Irritant
3 studies / 3 not irritating (CIR 259 and 767)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 767)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2023
Regulatory Status
JAPAN ⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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