Naphthalene-1,5-diol and its salts
1,5-NAPHTHALENEDIOL
Key data
Source and verification note
CosIng Checker is an independent reference website built from publicly available European Commission cosmetic ingredient materials, including Annex II–VI datasets.
Use these pages for research, discovery and comparison, but verify critical regulatory decisions against the official source text and current law.
Record details
INCI glossary name
1,5-NAPHTHALENEDIOL
Chemical name
Naphthalene-1,5-diol and its salts
Chemical / IUPAC name
Naphthalene-1,5-diol and its salts
Product type
Maximum concentration
b) 1.0%
Other restrictions
a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0%
Warnings
Hair colourants can cause severe allergic reactions
Read and follow instrctions
Regulatory information
Regulation
(EC) 2013/344
SCCS opinions
- Request for a Re-evaluation of hair dyes listed in Annex III to Directive 76/768/EEC on Cosmetic Products
- Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004
- 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 1,5-Dihydroxynaphthalene
- Opinion on 1,5-Naphthalenediol
- Memorandum on Hair Dye Substances and their Skin Sensitising Properties
- Opinion on 1,5-Naphthalenediol
Identified ingredients
- 1,5-NAPHTHALENEDIOL
Related records
CI 19140 / ACID YELLOW 23
ACID BLUE 9
N,N-bis(2-Hydroxyethyl)- p-Phenylenediamine Sulfate
About this record
This page provides a structured view of a cosmetic ingredient record from the EU cosmetic ingredient reference database.
Use the annex link, CAS number, EC number and related records to continue exploring restrictions, warnings, allowed uses and associated reference data.