Skip to content
Annex III Entry 207 09/09/2013

1H-Indole-5,6-diol

DIHYDROXY-INDOLE

Key data

Annex
Entry number
207

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

DIHYDROXY-INDOLE

Chemical name

1H-Indole-5,6-diol

Other restrictions

(a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,5%

Warnings

To be printed on the label:
Hair colorants can cause severe allergic reactions.

Regulatory information

Regulation

(EU) 2013/658

Annex III 16
Shared product type

1-NAPHTHOL

CAS: 90-15-3
EC: 201-969-4
Annex III 16
Shared product type

1-Naphthol

CAS: 90-15-3
EC: 201-969-4
Annex III 193
Shared product type

ACID RED 52

CAS: 3520-42-1
EC: 222-529-8

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.