Pentaerythrityl Tetracocoate

AKA: Pentaerythritol tetracocoate
Synthetic
Emollient
Skin Conditioner
Clean
OriginTypically derived from coconut oil or palm kernel oil through plant extraction. Synthesized by esterifying pentaerythritol with coconut fatty acids through chemical condensation.
Fatty acids, coco, 2,2-dimethyl-1,3-propanediyl esters
CAS #
91031-85-5
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
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