Is Polyester-5 safe in cosmetics?
Polyester-5 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Polyester-5
INCI: POLYESTER-5
Polyester-5 (CAS 54590-72-6) is a cosmetic cosmetic ingredient functioning as Film forming, viscosity controlling, hydrophobic dispersion aid. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 54590-72-6 →
Auto-generated CPSR Part A draft with source citations
Function
Film forming, viscosity controlling, hydrophobic dispersion aid
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not a sunscreen active; no specific FDA restrictions; listed in FDA GSRS under UNII 2L9351NW8W
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Polyester-5.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
polymer
{"ingredient_class": "film_former", "polymer_type": "polyester", "chemical_backbone": "ester", "molecular_weight_Da_range": "5500-41000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_flexibility": "semi_flexible", "film_transparency": "transp…
Expert Verdict
Expert safety assessment and concern-level summary for Polyester-5.
Frequently Asked Questions
Is Polyester-5 allowed in the EU?
Polyester-5 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyester-5 do in cosmetics?
Polyester-5 functions as: Film forming, viscosity controlling, hydrophobic dispersion aid. It is classified as a cosmetic ingredient in our database. CAS number: 54590-72-6.
Compliance Tools
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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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