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February 18th, 2008
Early studies on the safety of zinc oxide nanoparticles used in sunscreens are reassuring, say scientists.
But the studies still cannot tell us the actual risk of using products containing these tiny particles.
Two of the first Australian studies on the safety of zinc oxide nanoparticles will be presented later this month at the International Conference on Nanoscience and Nanotechnology in Melbourne.
One study looked at what happens when sunscreen containing these nanoparticles is applied to human skin.
"You put these materials on your skin and they disappear," says researcher Professor Brian Gulson from Macquarie University's Graduate School of the Environment in Sydney.
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