Good Cosmetic Ingredient

Styrene/Acrylates Copolymer/Polyurethane

INCI: STYRENE/ACRYLATES COPOLYMER/POLYURETHANE

CAS Number
Not uniformly assigned; complex polymer blend
Function
Binding, Film forming, Plasticiser
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use. CIR assessment concluded styrene copolymers are safe under present use conditions

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

🔴 NANO FORM BANNED IN EU since Feb 1, 2025 (Annex II, entry 1725). Must verify particle size is non-nano for EU market. Residual styrene monomer must be controlled. Supplier must confirm non-nano status with supporting analytical data

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Styrene/Acrylates Copolymer/Polyurethane safe in cosmetics?

🔴 NANO FORM BANNED IN EU since Feb 1, 2025 (Annex II, entry 1725). Must verify particle size is non-nano for EU market. Residual styrene monomer must be controlled. Supplier must confirm non-nano status with supporting analytical data The EU classifies Styrene/Acrylates Copolymer/Polyurethane as "prohibited". Safety rating: GOOD.

Is Styrene/Acrylates Copolymer/Polyurethane allowed in the EU?

Styrene/Acrylates Copolymer/Polyurethane EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Styrene/Acrylates Copolymer/Polyurethane do in cosmetics?

Styrene/Acrylates Copolymer/Polyurethane functions as: Binding, Film forming, Plasticiser. It is classified as a cosmetic ingredient in our database. CAS number: Not uniformly assigned; complex polymer blend.

What is the Margin of Safety for Styrene/Acrylates Copolymer/Polyurethane?

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.

Compliance Tools

Check Styrene/Acrylates Copolymer/Polyurethane compliance across multiple jurisdictions:

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

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