Is Polybutylene Terephthalate safe in cosmetics?
Polybutylene Terephthalate has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.
Good
Cosmetic Ingredient
Polybutylene Terephthalate
Also known as: PBT plastic, Poly(1,4-butylene terephthalate)
INCI: POLYBUTYLENE TEREPHTHALATE
Polybutylene Terephthalate (CAS 26062-94-2) is a cosmetic cosmetic ingredient functioning as Film forming, viscosity controlling, hair fixative. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 26062-94-2 →
Auto-generated CPSR Part A draft with source citations
Function
Film forming, viscosity controlling, hair fixative
Safety Rating
GOOD
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
CIR concluded safe as used; FDA approved for food-contact packaging under 21 CFR 177.1660
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Polybutylene Terephthalate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Regulatory List Membership (1)
FDA Indirect Food Contact Additives
Expert Verdict
Expert safety assessment and concern-level summary for Polybutylene Terephthalate.
Regulatory Flags
Environmental
Known Synonyms
PBT plastic
Poly(1,4-butylene terephthalate)
Regulatory Lists
Indirect additives food contact (10/2018)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Polybutylene Terephthalate allowed in the EU?
Polybutylene Terephthalate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polybutylene Terephthalate do in cosmetics?
Polybutylene Terephthalate functions as: Film forming, viscosity controlling, hair fixative. It is classified as a cosmetic ingredient in our database. CAS number: 26062-94-2.
Compliance Tools
Check Polybutylene Terephthalate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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