Dipentaerythrityl Pentaisononanoate

AKA: Emollient Ester
Synthetic
Emollient
Skin Conditioner
Clean
Isononanoic acid, pentaester with 2,2'-(oxybismethylene)bis[2-hydroxymethyl-1,3-propanediol]
CAS #
84418-63-3
Form
Powder
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.
Viscosity Controlling
Locks In Moisture
Traditional Use
A modern synthetic ester developed as a multifunctional cosmetic ingredient in the late 20th century. Created to provide emollient and skin-conditioning properties while improving product texture and spreadability.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR