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Pentaerythrityl Tetracocoate
AKA “Pentaerythritol tetracocoate”
Synthetic
Ingredient Facts
Pentaerythrityl tetracocoate
AKA: Pentaerythritol tetracocoate
Synthetic · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Skin Conditioner
Plant Oil
Synthetic
Clean
A lightweight coconut-derived moisturizer that softens and smooths skin while helping your product glide on effortlessly.
CAS #
91031-85-5
Form
Liquid
See origin →
Functions
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.
Locks In Moisture
Traditional Use
A synthetic ester derived from pentaerythritol and coconut fatty acids, created in the 20th century as a modern conditioning and emollient agent.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
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
Verified Feb 2026
Data: CosIng · EWG · CIR