Regulatory Status
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Safety Data
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Expert Verdict
HC Red No. 21 is a recognized hair dye ingredient prohibited in the EU but permitted in the US under coal tar hair dye exemptions. Full toxicological profile requires supplier-provided SCCS dossier data for CPSR.
Regulatory Flags
Frequently Asked Questions
Is HC Red No. 21 safe in cosmetics?
HC Red No. 21 is a recognized hair dye ingredient prohibited in the EU but permitted in the US under coal tar hair dye exemptions. Full toxicological profile requires supplier-provided SCCS dossier data for CPSR. The EU classifies HC Red No. 21 as "prohibited". Safety rating: MODERATE.
Is HC Red No. 21 allowed in the EU?
HC Red No. 21 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Red No. 21 do in cosmetics?
HC Red No. 21 functions as: Hair dyeing (colorant) — synthetic origin. It is classified as a cosmetic ingredient in our database. CAS number: Not listed on COSMILE Europe page; likely a newer or less-characterized entry.
What is the Margin of Safety for HC Red No. 21?
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.
Compliance Tools
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Related Ingredients
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