Isooctyl Tallate

AKA: Tall Oil Ester
Synthetic
Emollient
Solvent
Skin Conditioner
Not Clean
OriginDerived from tall oil (a byproduct of wood pulp processing) and isooctyl alcohol, both petroleum or wood-based feedstocks. Synthesized through esterification of tall oil fatty acids with isooctyl alcohol under acidic catalysis.
Isooctyl Tallate is a cosmetic ingredient used as plasticiser, skin conditioning, skin conditioning - emollient. Assessed as safe by the CIR.
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR