Ingredient profile
6 hydroxyindole
Raters disagreehair dyeingCAS 2380-86-1
At least one of our safety lists speaks to this ingredient. Also written as 6-HYDROXYINDOLE, 6-Hydroxyindole.
Raters don't agree. Here's where each one stands
Safe
Greenlens Ingredient Scan
Independent
Greenlens Precautionary Screen
Independent
Greenlens Tolerance Screen
Independent
Caution
EU Harmonised Classification (CLP Annex VI)
Government
Concern
—
Where each list lands
Funding shown- Caution
EU Harmonised Classification (CLP Annex VI)
Government
Carries an EU harmonised classification (Skin Sens. 1) — a skin sensitiser under CLP Annex VI, index 613-218-00-1. A hazard classification, not proof of harm at the level used. (EU CLP Regulation Annex VI, Table 3 (harmonised classification, ECHA export))
- Safe
Greenlens Ingredient Scan
Independent
No EU-regulated hazard recognized for this ingredient.
- Safe
Also screened — not on these lists
- Health Canada Ingredient Hotlist
- California Proposition 65
- US NTP Report on Carcinogens
- IARC Monographs
- ANSES Endocrine Disruptors
- EU Microplastics Restriction
Notes
- EU harmonised skin sensitizer
