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Issue 24
, 2010
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Nano particles in sunscreens are toxic: Research

Source: Indian Express, New Delhi, April 9, 2010, Date: , 2010

Sunscreen might protect your skin from UV rays but it is actually bad for your health as a new study has found that nano particles present in it are toxic. Researchers at the Department of Pharmacology and Toxicology of University of Utah found evidence that sunscreens contain nano particles of zinc oxide, used to prevent the damaging effects of sunlight, that can harm colon cells and may be toxic if accidentally eaten. They said that particle size affects the toxicity of zinc oxide that is widely used in sunscreens and particles smaller than 100 nano metres are slightly more toxic to colon cells than conventional zinc oxide, Chemical Research in Toxicology journal said.