Pentaerythrityl Tetraethylhexanoate
AKA “
Pentaerythritol tetra(2-ethylhexanoate), DUB PTO, KAK PTO, EINECS 230-743-8, TRIVENT PE-48, HEST P-4-O, SALACOS 5408, NIKKOL PENTALAN-408
”
Synthetic
🦆
❤️
👻
Ingredient Facts
Pentaerythrityl tetraethylhexanoate
AKA: Pentaerythritol tetra(2-ethylhexanoate), DUB PTO, KAK PTO, EINECS 230-743-8, TRIVENT PE-48, HEST P-4-O, SALACOS 5408, NIKKOL PENTALAN-408
Synthetic · Emollient · EWG: 4
WHAT IS IT?
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight conditioning agent that smooths skin and helps products glide on effortlessly while maintaining the perfect texture.
Formula
C37H68O8
Mol. Weight
640.90
CAS #
7299-99-2
Form
Powder
State
Pellets or Large Crystals; Liquid
See origin →
WHAT'S IT DO?
Functions
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 synthetic ester combining pentaerythritol with ethylhexanoic acid, developed in the late 20th century as a cosmetic emollient and texture modifier.
Skin Types
●
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S IT IN?
(2)
LipFuel Lip Balm
Kosas
→
Weightless Lip Color
Kosas
→
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR
Pentaerythrityl Tetraethylhexanoate — Duck Heart Ghost