Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
EU-banned coal-tar hair dye; SCCNFP classified as unsafe without adequate toxicological data; prohibited in EU cosmetics but permitted in US under coal-tar hair dye exemption.
Regulatory Flags
Frequently Asked Questions
Is HC Brown No. 1 safe in cosmetics?
EU-banned coal-tar hair dye; SCCNFP classified as unsafe without adequate toxicological data; prohibited in EU cosmetics but permitted in US under coal-tar hair dye exemption. The EU classifies HC Brown No. 1 as "prohibited". Safety rating: POOR.
Is HC Brown No. 1 allowed in the EU?
HC Brown No. 1 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Brown No. 1 do in cosmetics?
HC Brown No. 1 functions as: Hair dyeing — semi-permanent direct dye (brown). It is classified as a cosmetic ingredient in our database. CAS number: 83803-98-9.
What is the Margin of Safety for HC Brown No. 1?
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
Check HC Brown No. 1 compliance across multiple jurisdictions:
Related Ingredients
Is HC Brown No. 1 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for HC Brown No. 1 in your formulation.