Pentaerythritol/Terephthalic Acid Copolymer

INCI: PENTAERYTHRITOL/TEREPHTHALIC ACID COPOLYMER

CAS Number
Not assigned (polymer — exempt from CAS under many schemes)
Function
Film forming
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR reviewed modified terephthalate polymers as safe in present practices of use; chemical similarity to FDA-approved medical device polymers noted

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Monitor residual terephthalic acid monomer levels; ensure polymerization completion

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Concern Level: Moderate

Frequently Asked Questions

Is Pentaerythritol/Terephthalic Acid Copolymer safe in cosmetics?

Monitor residual terephthalic acid monomer levels; ensure polymerization completion The EU classifies Pentaerythritol/Terephthalic Acid Copolymer as "permitted". Safety rating: GOOD.

Is Pentaerythritol/Terephthalic Acid Copolymer allowed in the EU?

Pentaerythritol/Terephthalic Acid Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Pentaerythritol/Terephthalic Acid Copolymer do in cosmetics?

Pentaerythritol/Terephthalic Acid Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer — exempt from CAS under many schemes).

What is the Margin of Safety for Pentaerythritol/Terephthalic Acid Copolymer?

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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