Is Poly-p-Phenylene Terephthalamide safe in cosmetics?
Poly-p-Phenylene Terephthalamide has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Poly-p-Phenylene Terephthalamide
Also known as: Poly(imino-p-phenyleneiminoterephthaloyl), Poly(1,4-phenyleneterephthalamide), SRU, p-Phenylenediamine-terephthaloyl chloride polymer, SRU, 1,4-Benzenediamine-terephthalic acid copolymer, SRU, p-Phenylenediamine-terephthalic acid copolymer, SRU (+15 more)
Poly-p-Phenylene Terephthalamide (CAS 24938-64-5) is classified as a cosmetic ingredient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 24938-64-5 →
Auto-generated CPSR Part A draft with source citations
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
FDA no restriction; CIR assessment of modified terephthalate polymers concluded safe in practices of use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Poly-p-Phenylene Terephthalamide.
Calculate MoS for your specific formulation with the MoS Calculator.
IARC Carcinogenicity
International Agency for Research on Cancer (WHO) monograph evaluation.
IARC Group
3
Volume
68
Evaluation Year
1996
Expert Verdict
Expert safety assessment and concern-level summary for Poly-p-Phenylene Terephthalamide.
Known Synonyms
Poly(imino-p-phenyleneiminoterephthaloyl)
Poly(1,4-phenyleneterephthalamide), SRU
p-Phenylenediamine-terephthaloyl chloride polymer, SRU
1,4-Benzenediamine-terephthalic acid copolymer, SRU
p-Phenylenediamine-terephthalic acid copolymer, SRU
Poly(p-phenyleneterephthalamide)
p-Phenylenediamine-Terephthalic dichloride copolymer, sru
Poly(p-phenylene terephthalamide)
Kevlar 49
PPTA
Kevlar 149
Aramica
Twaron 5011
Twaron T 5011
Kevlar R 120
Aramica 090RP
Aramica 042RC
TW 5011
A 100
LCP
Frequently Asked Questions
Is Poly-p-Phenylene Terephthalamide allowed in the EU?
Poly-p-Phenylene Terephthalamide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
Compliance Tools
Check Poly-p-Phenylene Terephthalamide compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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