Isodecyl Isononanoate
molecular structure · PubChem
AKA: WICKENOL 152, DERMOL 109, AEC ISODECYL ISONONANOATE, Isononanoic acid, Isodecyl ester, KAK 109, BRORPGSJXSLXKN-UHFFFAOYSA-N
Synthetic
Emollient
Skin Conditioner
Clean
Isodecyl 3,5,5-trimethylhexanoate
Effective at 29.51%
Formula
C17H34O2
Mol. Weight
270.50
CAS #
59231-35-5, 41395-89-5
Form
Liquid
Functions
Antistatic
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
Traditional Use
Modern synthetic ester developed as a light, silky emollient in cosmetic formulations, designed to provide non-greasy skin feel and improved spreadability.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.02%
59.0%
0%83%
Reported use
CIR reported use: 0.1-34 | 0.02-30 | 1-43.5 | 0.05-59
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR