Is Polyester-23 safe in cosmetics?
Polyester-23 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Polyester-23
INCI: POLYESTER-23
Polyester-23 (CAS Not publicly listed in CosIng entry) is a cosmetic cosmetic ingredient functioning as Film forming — produces a continuous film on skin, hair, and/or nails. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Not publicly listed in CosIng entry →
Auto-generated CPSR Part A draft with source citations
Function
Film forming — produces a continuous film on skin, hair, and/or nails
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically reviewed by FDA; not prohibited
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-23.
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/waterproofing_agent", "polymer_type": "polyester", "chemical_backbone": "ester", "molecular_weight_Da_range": "9000-62000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transparent", "film_wat…
Expert Verdict
Expert safety assessment and concern-level summary for Polyester-23.
Frequently Asked Questions
Is Polyester-23 allowed in the EU?
Polyester-23 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyester-23 do in cosmetics?
Polyester-23 functions as: Film forming — produces a continuous film on skin, hair, and/or nails. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly listed in CosIng entry.
Compliance Tools
Check Polyester-23 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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Not Reported
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