Poor Cosmetic Ingredient

Polyurethane-84

INCI: POLYURETHANE-84

CAS Number
1436463-63-6
Function
Nail conditioning
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Not specifically prohibited; general cosmetic ingredient under FDA. However, EU prohibition is a major red flag for any international brand

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

Do not use for EU-market products. Annex II listing indicates this ingredient has been determined unsafe for cosmetic use in the EU. Verify the specific basis for prohibition, likely related to monomer composition or degradation products. For US-only products, obtain full supplier safety dossier before considering use

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Concern Level: High

Frequently Asked Questions

Is Polyurethane-84 safe in cosmetics?

Do not use for EU-market products. Annex II listing indicates this ingredient has been determined unsafe for cosmetic use in the EU. Verify the specific basis for prohibition, likely related to monomer composition or degradation products. For US-only products, obtain full supplier safety dossier before considering use The EU classifies Polyurethane-84 as "prohibited". Safety rating: POOR.

Is Polyurethane-84 allowed in the EU?

Polyurethane-84 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyurethane-84 do in cosmetics?

Polyurethane-84 functions as: Nail conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 1436463-63-6.

What is the Margin of Safety for Polyurethane-84?

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.

Compliance Tools

Check Polyurethane-84 compliance across multiple jurisdictions:

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Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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