Butyrum

INCI: BUTYRUM

CAS Number
8029-34-3
Function
Skin Conditioning – Emollient (butter; naturally occurring dairy fat)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not formally calculated — considered safe by long-established use history

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Potential dairy protein allergen traces (casein, whey); specify milk-free or protein content limits if targeting sensitive populations. Animal-derived fat requires adequate preservation for microbiological stability.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Butyrum safe in cosmetics?

Potential dairy protein allergen traces (casein, whey); specify milk-free or protein content limits if targeting sensitive populations. Animal-derived fat requires adequate preservation for microbiological stability. The EU classifies Butyrum as "permitted". Safety rating: GOOD.

Is Butyrum allowed in the EU?

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

What does Butyrum do in cosmetics?

Butyrum functions as: Skin Conditioning – Emollient (butter; naturally occurring dairy fat). It is classified as a cosmetic ingredient in our database. CAS number: 8029-34-3.

What is the Margin of Safety for Butyrum?

not established 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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