Tubes of lipstick. They can make fabric resistant to stains, improve the taste of food and help drug research, but nanoparticles could also pose a danger to human health, experts warned Wednesday. A consumer information group said cosmetic and food products should indicate whether their products contain nanoparticles by 2012.

Source: AFP - Copyright AFP 2008, AFP stories and photos shall not be published, broadcast, rewritten for broadcast or publication or redistributed directly or indirectly in any medium