Safety Assessment of α-Amino Acids 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

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


The Cosmetic Ingredient Review Expert Panel (Panel) reviewed the safety of α-amino acids, which function primarily as hair- and skin-conditioning agents in cosmetic products. The safety of α-amino acids as direct food additives has been well established based on extensive research through acute and chronic dietary exposures. The Panel focused its review on dermal irritation and sensitization data relevant to the use of these ingredients in topical cosmetics. The Panel concluded that α-amino acids were safe as cosmetic ingredients in the practices of use and concentration of this safety assessment.

Original languageEnglish (US)
Pages (from-to)41S-64S
JournalInternational journal of toxicology
StatePublished - Nov 2013

All Science Journal Classification (ASJC) codes

  • Toxicology


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