Hydroxypropyltrimonium Hydrolyzed Whey

INCI: HYDROXYPROPYLTRIMONIUM HYDROLYZED WHEY

CAS Number
Not uniquely assigned (complex dairy-derived polymer)
Function
Hair conditioning, skin conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR reviewed milk proteins and protein derivatives; found safe as used

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Dairy-origin ingredient with cow's milk allergen potential; not suitable for vegan products; cross-reactivity concern for sensitive populations due to reported sensitization in atopic dermatitis cases; document source animal species and allergen testing in CPSR.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Hydroxypropyltrimonium Hydrolyzed Whey safe in cosmetics?

Dairy-origin ingredient with cow's milk allergen potential; not suitable for vegan products; cross-reactivity concern for sensitive populations due to reported sensitization in atopic dermatitis cases; document source animal species and allergen testing in CPSR. The EU classifies Hydroxypropyltrimonium Hydrolyzed Whey as "permitted". Safety rating: GOOD.

Is Hydroxypropyltrimonium Hydrolyzed Whey allowed in the EU?

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

What does Hydroxypropyltrimonium Hydrolyzed Whey do in cosmetics?

Hydroxypropyltrimonium Hydrolyzed Whey functions as: Hair conditioning, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (complex dairy-derived polymer).

What is the Margin of Safety for Hydroxypropyltrimonium Hydrolyzed Whey?

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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