Thursday, July 26, 2012

NaNO information in AM's nanoparticle article

An article that places ABC's new service amongst the world's worst for spreading mis-information.

More nano-sunscreen claims revealed
"Yesterday the ABC revealed that at least 10 Australian sunscreen brands that claim to be free of nano-materials have unwittingly been using nanoparticles in their products.

Neither the safety nor the risks of nano-materials in sunscreens is scientifically proven."

What does the Cancer Council say?

Nanoparticles and sunscreen

Nanotechnology has been used in sunscreens for many years. To date, our assessment, drawing on the best available evidence, is that nanoparticulates used in sunscreens do not pose a risk. However, we continue to monitor research and welcome any new research that sheds more light on this topic.
Sunscreen formulas and their components are regulated through the Therapeutic Goods Administration (TGA). In early 2009, the TGA conducted an updated review of the scientific literature in relation to the use of nanoparticulate zinc oxide and titanium dioxide in sunscreens.
The TGA review concluded that:
  • The potential for titanium dioxide and zinc oxide nanoparticles in sunscreens to cause adverse effects depends primarily upon the ability of the nanoparticles to reach viable skin cells; and
  • To date, the current weight of evidence suggests that titanium dioxide and zinc oxide nanoparticles do not reach viable skin cells; rather, they remain on the surface of the skin and in the outer layer of the skin that is composed of non-viable cells.

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