Although millions of people are applying products that contain nanomaterials to their skin daily, no-one knows yet how likely it is that these nanomaterials are absorbed from our skin to our blood stream. As the evidence of nanotoxicity grows, it is becoming more important to answer the question of whether or not nanomaterials used in sunscreens, cosmetics and personal care products penetrate the skin, and in what circumstances.  For a detailed look at the latest scientific findings, dowload our new issue summary "Cosmetics, nanotoxicity and skin penetration".