NTP 5-Amino-O-Cresol Review Should Focus On Dermal Application – CTFA
This article was originally published in The Rose Sheet
Executive Summary
The National Toxicology Program should evaluate the safety of permanent hair dye ingredient 5-amino-o-cresol using a dermal application method as part of a "conventional" two-year carcinogenicity bioassay on both rats and mice, the Cosmetic, Toiletry and Fragrance Association advocates in 1comments to NTP Aug. 12