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1H-Indol-6-ol

CAS 2380-86-1
38

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

1h-indol-6-ol is a cosmetic ingredient. Exercise caution due to limited available safety data.

1H-Indol-6-ol is a heterocyclic compound used as a primary intermediate in oxidation hair dye systems. Indole derivatives used in hair dyes have been assessed by the SCCS with concerns noted regarding sensitisation and mutagenicity. The ingredient is likely restricted under Annex III of Regulation (EC) No 1223/2009, requiring compliance with specified conditions.

Skin benefits

  • Hair dye precursor

Known concerns

  • Annex III restricted
  • Mutagenicity concern
  • Skin sensitisation potential

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.