Isooctyl Tallate
AKA “Isooctyl Tallate, Tall Oil Ester
Emollient
Ingredient Facts
Isooctyl tallate
AKA: Tall Oil Ester
Emollient · Emollient · EWG: 3
Synthetic
Emollient
Solvent
Skin Conditioner
Not Clean
Isooctyl Tallate is a cosmetic ingredient used as plasticiser, skin conditioning, skin conditioning - emollient. Assessed as safe by the CIR.
CAS #
-
Form
Liquid
See origin →
Functions
Plasticiser
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.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
A modern synthetic ester created as an emollient and skin conditioning agent in cosmetics. Developed to provide non-greasy moisture and improve the sensory profile of skincare products.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
3
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