Milk Protein

INCI: MILK PROTEIN

CAS Number
9000-71-9 (casein) is a major constituent; mixture has no single CAS
Function
Skin conditioning, hair conditioning, film-forming
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR reviewed bovine milk proteins as safe in cosmetics (2022)

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Allergen labeling required (milk); hydrolyzed fractions with MW < 3500 Da increase sensitization risk; BSE/TSE compliance required for bovine-sourced materials.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Milk Protein safe in cosmetics?

Allergen labeling required (milk); hydrolyzed fractions with MW < 3500 Da increase sensitization risk; BSE/TSE compliance required for bovine-sourced materials. The EU classifies Milk Protein as "permitted". Safety rating: GOOD.

Is Milk Protein allowed in the EU?

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

What does Milk Protein do in cosmetics?

Milk Protein functions as: Skin conditioning, hair conditioning, film-forming. It is classified as a cosmetic ingredient in our database. CAS number: 9000-71-9 (casein) is a major constituent; mixture has no single CAS.

What is the Margin of Safety for Milk Protein?

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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