Pentaerythrityl Stearate

INCI: PENTAERYTHRITYL STEARATE

CAS Number
78-23-9 (monostearate)
Function
Skin conditioning – emollient; viscosity increasing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes FDA permitted for cosmetic use; no restrictions

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Safety supported by read-across from CIR-reviewed pentaerythrityl tetrastearate and stearic acid, both determined safe.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Pentaerythrityl Stearate safe in cosmetics?

Safety supported by read-across from CIR-reviewed pentaerythrityl tetrastearate and stearic acid, both determined safe. The EU classifies Pentaerythrityl Stearate as "permitted". Safety rating: GOOD.

Is Pentaerythrityl Stearate allowed in the EU?

Pentaerythrityl Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Pentaerythrityl Stearate do in cosmetics?

Pentaerythrityl Stearate functions as: Skin conditioning – emollient; viscosity increasing. It is classified as a cosmetic ingredient in our database. CAS number: 78-23-9 (monostearate).

What is the Margin of Safety for Pentaerythrityl Stearate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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