Pentaerythrityl Stearates

INCI: PENTAERYTHRITYL STEARATES

CAS Number
Mixture — no single CAS (individual components: monostearate 78-23-9; distearate 13081-97-5; tetrastearate 115-83-3)
Function
Skin conditioning – emollient; emulsifying; viscosity increasing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes FDA permitted; tetrastearate has indirect food additive clearance (21 CFR packaging)

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Mixture composition may vary by supplier; request Certificate of Analysis to verify ester distribution. Tetrastearate component is CIR-safe.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Pentaerythrityl Stearates safe in cosmetics?

Mixture composition may vary by supplier; request Certificate of Analysis to verify ester distribution. Tetrastearate component is CIR-safe. The EU classifies Pentaerythrityl Stearates as "permitted". Safety rating: GOOD.

Is Pentaerythrityl Stearates allowed in the EU?

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

What does Pentaerythrityl Stearates do in cosmetics?

Pentaerythrityl Stearates functions as: Skin conditioning – emollient; emulsifying; viscosity increasing. It is classified as a cosmetic ingredient in our database. CAS number: Mixture — no single CAS (individual components: monostearate 78-23-9; distearate 13081-97-5; tetrastearate 115-83-3).

What is the Margin of Safety for Pentaerythrityl Stearates?

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.

📱

Is Pentaerythrityl Stearates in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Pentaerythrityl Stearates in your formulation.