Safety assessment of 6-hydroxyindole as used in cosmetics

Christina L. Burnett, Bart Heldreth, Wilma F. Bergfeld, Donald V. Belsito, Ronald A. Hill, Curtis D. Klaassen, Daniel C. Liebler, James G. Marks, Ronald C. Shank, Thomas J. Slaga, Paul W. Snyder, F. Alan Andersen, Lillian J. Gill

Research output: Contribution to journalReview article


The Cosmetic Ingredient Review Expert Panel (Panel) reviewed the safety of 6-hydroxyindole, which functions as an oxidative hair dye ingredient. The Panel considered relevant animal and human data provided in this safety assessment and concluded that 6-hydroxyindole is safe for use in oxidative hair dye formulations.

Original languageEnglish (US)
Pages (from-to)24S-35S
JournalInternational journal of toxicology
Issue number6
StatePublished - Sep 13 2014


All Science Journal Classification (ASJC) codes

  • Toxicology

Cite this

Burnett, C. L., Heldreth, B., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D. C., Marks, J. G., Shank, R. C., Slaga, T. J., Snyder, P. W., Andersen, F. A., & Gill, L. J. (2014). Safety assessment of 6-hydroxyindole as used in cosmetics. International journal of toxicology, 33(6), 24S-35S.