Regulatory Status
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Safety Data
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Expert Verdict
EU banned. Canada banned. Epichlorohydrin reaction product raises genotoxicity concerns. No manufacturer submitted adequate safety dossier to SCCS within the deadline. Do not formulate.
Regulatory Flags
Frequently Asked Questions
Is HC Blue No. 4 safe in cosmetics?
EU banned. Canada banned. Epichlorohydrin reaction product raises genotoxicity concerns. No manufacturer submitted adequate safety dossier to SCCS within the deadline. Do not formulate. The EU classifies HC Blue No. 4 as "prohibited". Safety rating: POOR.
Is HC Blue No. 4 allowed in the EU?
HC Blue No. 4 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Blue No. 4 do in cosmetics?
HC Blue No. 4 functions as: Hair dyeing — anthraquinone derivative (reaction product of N-methyl-1,4-diaminoanthraquinone with epichlorohydrin and monoethanolamine). It is classified as a cosmetic ingredient in our database. CAS number: 158571-57-4.
What is the Margin of Safety for HC Blue No. 4?
adequate 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.
Compliance Tools
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Related Ingredients
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