Hydrolyzed Walnut Extract

INCI: HYDROLYZED WALNUT EXTRACT

CAS Number
Not confirmed — parent Juglans Regia extract CAS 84012-43-1 may apply
Function
Antioxidant; astringent; hair conditioning
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no CFR restrictions; FDA considers tree nuts a major allergen for food but no cosmetic-specific restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Tree nut allergen with highest risk in this set for consumer safety; juglone is a known skin sensitizer and staining agent; no CIR review for this hydrolysate; CPSR assessor will likely require allergen declaration and may require HRIPT data

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Concern Level: Moderate

Regulatory Flags

plant-extract potential-allergen

Frequently Asked Questions

Is Hydrolyzed Walnut Extract safe in cosmetics?

Tree nut allergen with highest risk in this set for consumer safety; juglone is a known skin sensitizer and staining agent; no CIR review for this hydrolysate; CPSR assessor will likely require allergen declaration and may require HRIPT data The EU classifies Hydrolyzed Walnut Extract as "permitted". Safety rating: MODERATE.

Is Hydrolyzed Walnut Extract allowed in the EU?

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

What does Hydrolyzed Walnut Extract do in cosmetics?

Hydrolyzed Walnut Extract functions as: Antioxidant; astringent; hair conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed — parent Juglans Regia extract CAS 84012-43-1 may apply.

What is the Margin of Safety for Hydrolyzed Walnut Extract?

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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