Volatile fragrance and flavoring ingredient that must be listed on products that contain it due to its risk of causing a sensitized reaction at concentations as low as 0.001%. It’s an ingredient to avoid if you have sensitive skin, especially because it’s almost always combined with other volatile fragrance components such as linalool and eugenol.
See linalool , eugenol , fragrance
References for this information:
Analytical and Bioanalytical Chemistry, July 2010, issue 6, pages 2579-2591
Journal of Chromatography, April 2010, issue 16, pages 2599-2605