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.