Did you know that the white filling in Oreos contains the same stuff that's in all of your eye shadow and foundation? Neither did I before I listened to "Revealing the Secrets in Concealer" -- an NPR interview with Stephen McNeil, an assistant professor of chemistry at the University of British Columbia. A lot of the ingredients discussed (talc, for example) are linked to health problems. To find out exactly what's in your favorite cosmetics, go to the Environmental Working Group's excellent Cosmetics Database. And check out our report "About Face" for natural options.