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Hc Yellow No. 7
Hc Yellow No. 7
Safe
A semi-permanent hair dye, not a food ingredient. It can act as a skin sensitizer, and some HC-class dyes have shown mutagenicity signals in testing.
Found in
14 products
What it is
A synthetic 'HC' (hair color) yellow dye used in semi-permanent hair colorants.
Cosmetic hair dye; not a food additive.
Why it's flagged
- Potential skin sensitizer
- Some HC dyes show mutagenicity signals in testing
What regulators actually say
"The SCCS evaluates hair dye substances including HC yellow dyes for safety, concentration limits, and potential genotoxicity."
Regulatory status
United States — FDA
Not approved for food use; coal-tar hair dye exemption under FDCA.
European Union — EFSA
Restricted use in EU cosmetics under Regulation 1223/2009 Annex III.
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