Urease

INCI: UREASE

CAS Number
9002-13-5
Function
Skin conditioning agent (enzyme that hydrolyzes urea to ammonia and CO₂)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status prohibited
US Notes Permitted for cosmetic use; not listed as prohibited or restricted

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

Generates ammonia upon urea hydrolysis — pH shift risk in formulation; potential irritation at high concentrations; ensure microbial purity of enzyme preparations

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Concern Level: Moderate

Frequently Asked Questions

Is Urease safe in cosmetics?

Generates ammonia upon urea hydrolysis — pH shift risk in formulation; potential irritation at high concentrations; ensure microbial purity of enzyme preparations The EU classifies Urease as "restricted". Safety rating: GOOD.

Is Urease allowed in the EU?

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

What does Urease do in cosmetics?

Urease functions as: Skin conditioning agent (enzyme that hydrolyzes urea to ammonia and CO₂). It is classified as a cosmetic ingredient in our database. CAS number: 9002-13-5.

What is the Margin of Safety for Urease?

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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