Isooctyl Tallate
AKA “Isooctyl Tallate, Tall Oil Ester
Synthetic
Ingredient Facts
Isooctyl tallate
AKA: Tall Oil Ester
Synthetic · Emollient · EWG: 3
Synthetic
Emollient
Solvent
Skin Conditioner
Synthetic
Clean
Science: Functions: Plasticiser, Skin Conditioning, Skin Conditioning - Emollient, Solvent Safety Ratings: CIR: Safe as used
CAS #
-
Form
Liquid
See origin →
Functions
Plasticiser
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
3
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR