1,7-Naphthalenediol, when used as a substance in hair dye products
1,7-Naphthalenediol, when used as a substance in hair dye products is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Record details
Chemical name
1,7-Naphthalenediol, when used as a substance in hair dye products
Regulatory information
Regulation
(EC) 2009/1223
SCCS opinions
- Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004
- Opinion concerning Hair Dyes without File submitted
- Opinion on Personal Use of Hair Dyes and Cancer Risk
- Opinion on the Use of Permanent Hair Dyes and Bladder Cancer Risk
- Assessment Strategies for Hair Dyes
- Opinion on 1,7-Naphthalenediol
Identified ingredients
Key data
Inventory links for 1,7-Naphthalenediol, when used as a substance in hair dye products
Related records for 1,7-Naphthalenediol, when used as a substance in hair dye products
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
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N-(2-Methoxyethyl)-p-phenylenediamine and its HCl salt, when used as a substance in hair dye produc…
2-Aminomethyl-p-aminophenol and its HCl salts, when used as a substance in hair dye products
N-Cyclopentyl-m-aminophenol, when used as a substance in hair dye products
Solvent Red 1 (CI 12150), when used as a substance in hair dye products
N,N-Dimethyl-2,6-pyridinediamine and its HCl salt, when used as a substance in hair dye products
Acid Orange 24 (CI 20170), when used as a substance in hair dye products
N,N-Diethyl-m-aminophenol, when used as a substance in hair dye products
Acid Red 73 (CI 27290), when used as a substance in hair dye products
5-Amino-4-fluoro-2-methylphenol sulfate, when used as a substance in hair dye products
What Annex II means for 1,7-Naphthalenediol, when used as a substance in hair dye products
1,7-Naphthalenediol, when used as a substance in hair dye products is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009. No concentration limit applies — the presence of this substance in any cosmetic product placed on the EU market is not permitted regardless of use level.
Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Verify this substance is absent from all raw materials and finished formulations.
- Request absence confirmation or CoA from raw material suppliers.
- Document the screening result in the Product Information File (PIF).
Frequently asked questions
Source note for Annex II record 1,7-Naphthalenediol, when used as a substance in hair dye products
This page summarizes one Annex II record for 1,7-Naphthalenediol, when used as a substance in hair dye products from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex II conditions for 1,7-Naphthalenediol, when used as a substance in hair dye products, but confirm any final regulatory decision against the current official annex wording and source files.
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