Polyurethane-1

INCI: POLYURETHANE-1

CAS Number
Not assigned (complex copolymer)
Function
Film former, binder
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics; CIR assessed safe (2017); no individual FDA monograph required

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Film-forming polymer used in spray products with documented inhalation exposure concern; NOAEC of 1 mg/m³ in 90-day inhalation study warrants caution in aerosolized formulations; maximum use level up to 15% in nail products.

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Concern Level: Moderate

Frequently Asked Questions

Is Polyurethane-1 safe in cosmetics?

Film-forming polymer used in spray products with documented inhalation exposure concern; NOAEC of 1 mg/m³ in 90-day inhalation study warrants caution in aerosolized formulations; maximum use level up to 15% in nail products. The EU classifies Polyurethane-1 as "permitted". Safety rating: GOOD.

Is Polyurethane-1 allowed in the EU?

Polyurethane-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyurethane-1 do in cosmetics?

Polyurethane-1 functions as: Film former, binder. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (complex copolymer).

What is the Margin of Safety for Polyurethane-1?

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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