Dipentaerythrityl Pentaisononanoate
AKA “Emollient Ester
Emollient
Ingredient Facts
Dipentaerythrityl pentaisononanoate
AKA: Emollient Ester
Emollient · Emollient · EWG: 1
Synthetic
Emollient
Skin Conditioner
Clean
Isononanoic acid, pentaester with 2,2'-(oxybismethylene)bis[2-hydroxymethyl-1,3-propanediol]
CAS #
84418-63-3
Form
Powder
See origin →
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
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR