Good Cosmetic Ingredient

Butylene/Ethylene/Propylene Copolymer

INCI: BUTYLENE/ETHYLENE/PROPYLENE COPOLYMER

CAS Number
Not assigned (generic polymer)
Function
Film forming
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not required — Same rationale as other similar polymers

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Polymer film former with negligible absorption and no sensitization risk, though residual monomer content and microplastic persistence warrant consideration in formulation.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Butylene/Ethylene/Propylene Copolymer safe in cosmetics?

Polymer film former with negligible absorption and no sensitization risk, though residual monomer content and microplastic persistence warrant consideration in formulation. The EU classifies Butylene/Ethylene/Propylene Copolymer as "permitted". Safety rating: GOOD.

Is Butylene/Ethylene/Propylene Copolymer allowed in the EU?

Butylene/Ethylene/Propylene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Butylene/Ethylene/Propylene Copolymer do in cosmetics?

Butylene/Ethylene/Propylene Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (generic polymer).

What is the Margin of Safety for Butylene/Ethylene/Propylene Copolymer?

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 Butylene/Ethylene/Propylene Copolymer 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
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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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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Butylene/Ethylene/Propylene Copolymer in your formulation.

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