Moderate Preservative

Bithionol

INCI: BITHIONOL

CAS Number
None
Function
antibacterial agent in cosmetics
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes CIR assessment indicates the substance was prohibited before modern safety assessment frameworks were established.

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Bithionol is restricted in the EU and prohibited in the US due to historical safety concerns predating modern assessment frameworks.

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Concern Level: Moderate

Regulatory Flags

EU Restricted eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Bithionol safe in cosmetics?

Bithionol is restricted in the EU and prohibited in the US due to historical safety concerns predating modern assessment frameworks. The EU classifies Bithionol as "restricted". Safety rating: MODERATE.

Is Bithionol allowed in the EU?

Bithionol EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Bithionol do in cosmetics?

Bithionol functions as: antibacterial agent in cosmetics. It is classified as a Preservative in our database. CAS number: None.

What is the Margin of Safety for Bithionol?

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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