"Skin Is No Barrier To BPA, Study Shows" [1]
"Bisphenol A readily passes through skin, French scientists report. Best known as an estrogen-mimicking constituent of some plastics and resins, BPA is also found in a large share of cash register receipt paper in the United States and Europe, a trio of studies recently indicated. One of the three also showed that the powdery coating easily rubs off onto the hands."
Janet Raloff reports for Science News November 2, 2010. [2]