Moderate Preservative

Bithionol

INCI: BITHIONOL

Bithionol (CAS None) is a cosmetic preservative functioning as antibacterial agent in cosmetics. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS None →

Auto-generated CPSR Part A draft with source citations
Function
antibacterial agent in cosmetics
Safety Rating
MODERATE

Regulatory Status

EU EU Status restricted
US US Status prohibited
US Notes CIR assessment indicates the substance was prohibited before modern safety assessment frameworks were established.

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Bithionol.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for Bithionol.

Regulatory Flags

EU Restricted eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Bithionol safe in cosmetics?

Bithionol has a safety rating of "MODERATE" in our database. EU status: restricted. US status: prohibited.

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.

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