Current commercial sunscreens use compounds to filter out damaging ultraviolet (UV) light, but these agents can have adverse effects as they penetrate past the surface skin into the bloodstream. The agents have been found in human breast tissue and urine and are known to disrupt the normal function of some hormones. Also, the exposure of the UV filters to light can produce toxic reactive oxygen species that can damage cells, tissues and DNA, potentially causing…
Nanotechnology sunscreen filters out dangers
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