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Pentaerythrityl Tetrastearate
AKA “Pentaerythritol tetrastearate, W9Q3DZS0EG, ALKAMULS PETS, DUB PTS, LIPONATE PS-4, EINECS 204-110-1, RADIASURF 7176, Octadecanoic acid, 2, 2-bis(((1-oxooctadecyl)oxy)methyl)-1, 3-propanediyl ester, 1, 1'-(2, 3-propanediyl) ester”
Emollient
Ingredient Facts
Pentaerythrityl tetrastearate
AKA: Pentaerythritol tetrastearate, W9Q3DZS0EG, ALKAMULS PETS, DUB PTS, LIPONATE PS-4, EINECS 204-110-1, RADIASURF 7176, Octadecanoic acid, 2, 2-bis(((1-oxooctadecyl)oxy)methyl)-1, 3-propanediyl ester, 1, 1'-(2, 3-propanediyl) ester
Emollient · Emollient · EWG: 1
Plant-Derived
Emollient
Skin Conditioner
Clean
Pentaerythritol tetrastearate
Formula
C77H148O8
Mol. Weight
1202.00
CAS #
115-83-3
Form
Liquid
See origin →
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 developed as a cosmetic emollient and thickening agent. Designed to improve product texture and provide moisturizing benefits in skincare and decorative cosmetics.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
PEG-150 Pentaerythrityl Tetrastearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Pentaerythrityl Tetrastearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-150 Pentaerythrityl Tetrastearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Pentaerythrityl Tetrastearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR