..you might want to read this article. http://www.thinkbaby.co.uk/news/article/mps/uan/1077

I always recommend natural hair dyes for everyone bc there have been so many studies regarding standard hair dyes and side effects: http://www.organicconsumers.org/bodycare/color102804.cfm

and http://www.bellaonline.com/articles/art58076.aspA few of you are pregnant out there and I thought this article was especially interesting.