Is Polyester-1 safe in cosmetics?
Polyester-1 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Polyester-1
INCI: POLYESTER-1
Polyester-1 (CAS Not listed in CosIng or COSMILE) is a cosmetic cosmetic ingredient functioning as Film Forming. 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 listed in CosIng or COSMILE →
Auto-generated CPSR Part A draft with source citations
Function
Film Forming
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically regulated; falls under general FDCA cosmetic provisions
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-1.
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": "5000-40000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_flexibility": "flexible", "film_gloss": "high_gloss", "film…
Expert Verdict
Expert safety assessment and concern-level summary for Polyester-1.
Frequently Asked Questions
Is Polyester-1 allowed in the EU?
Polyester-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyester-1 do in cosmetics?
Polyester-1 functions as: Film Forming. It is classified as a cosmetic ingredient in our database. CAS number: Not listed in CosIng or COSMILE.
Compliance Tools
Check Polyester-1 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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Not Reported
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