Polyethylene Isoterephthalate

INCI: POLYETHYLENE ISOTEREPHTHALATE

CAS Number
Not specifically assigned (ethylene glycol + mixed terephthalic acids copolymer)
Function
Bulking agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR reviewed (2014) - safe as used in modified terephthalate polymers group

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Restricted under EU microplastics ban when used as particulate exfoliant or glitter (prohibited >0.01% w/w with staggered phase-out deadlines); heavy metal migration below LOD per CIR data.

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Concern Level: Moderate

Frequently Asked Questions

Is Polyethylene Isoterephthalate safe in cosmetics?

Restricted under EU microplastics ban when used as particulate exfoliant or glitter (prohibited >0.01% w/w with staggered phase-out deadlines); heavy metal migration below LOD per CIR data. The EU classifies Polyethylene Isoterephthalate as "restricted". Safety rating: GOOD.

Is Polyethylene Isoterephthalate allowed in the EU?

Polyethylene Isoterephthalate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyethylene Isoterephthalate do in cosmetics?

Polyethylene Isoterephthalate functions as: Bulking agent. It is classified as a cosmetic ingredient in our database. CAS number: Not specifically assigned (ethylene glycol + mixed terephthalic acids copolymer).

What is the Margin of Safety for Polyethylene Isoterephthalate?

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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