Edit Nanoparticle in sunscreens questioned yet again

<p>Now, a report has been published by the American Chemical Society Journal, <a href="http://www.consultingroom.com/News/Display.asp?News_ID=3247" target="_blank" rel="noopener">Chemical Research Toxicology</a> in April 2010 which claims to have evidence that nanoparticles of zinc oxide in sunscreens could be toxic (to isolated colon cells) if ingested when compared to ingesting other particle sizes of the substance.  Although potentially a good study, it is somewhat scaremongering of some media to use this kind of data in respect of the actual safety of using nanoparticle-containing sunscreen products properly.</p> <p>The authors themselves  state; “unintended exposure to nano-sized zinc oxide from children accidentally eating sunscreen products is a typical public concern, motivating the study of the effects of nanomaterials in the colon.”</p> <p><em>Thus, in conclusion, if you eat it, it could do you harm!</em></p> <p>As most people don’t intend to eat their sunscreen, lipstick, moisturiser or any other topical, personal care products for that matter, or the contents of their kitchen detergent cupboard, this study is of little use in deciding if such products are safe to apply to our skin when venturing outside.</p> <p>Whilst a lack of coherent study, global government interest and consumer education is prevalent the jury will still be out on the long term safety of sunscreens containing nanoparticles and the scare stories will continue.</p>

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