Polyester-5

INCI: POLYESTER-5

CAS Number
54590-72-6
Function
Film forming, viscosity controlling, hydrophobic dispersion aid
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ 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 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-established unrestricted film former with clean safety record at up to 6% in leave-on products and no EU Annex restrictions.

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Concern Level: Low

Frequently Asked Questions

Is Polyester-5 safe in cosmetics?

Well-established unrestricted film former with clean safety record at up to 6% in leave-on products and no EU Annex restrictions. The EU classifies Polyester-5 as "permitted". Safety rating: GOOD.

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.

What is the Margin of Safety for Polyester-5?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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