Industry critics give nanotechnology sunscreens the thumbs up

T he Environmental Working Group (EWG) – a US-based non-profit organization committed to using public information to protect public health and the environment – has just released what is probably the most comprehensive evaluation to date of the safety and effectiveness of using titanium dioxide and zinc oxide nanoparticles in sunscreens . And their conclusion? On balance, EWG researchers found that zinc and titanium-based formulations are among the safest, most effective sunscreens on th