Suncream Ingredient 'Zinc Oxide' Linked To Skin Cancer

The Huffington Post UK  |  By Posted: 09/05/2012 11:50 Updated: 09/05/2012 11:52

Sun Cream

A recent study that has appeared in the journal Toxicology and Applied Pharmacology links an ingredient in suncream to an increased chance of developing skin cancer.

According Medical Daily the study suggests that 'zinc oxide' undergoes a chemical reaction that may release unstable molecules, called free radicals, when exposed to sunlight.

Lead researcher Dr Yinfa Ma of Missouri University of Science and Technology suggests that these free radicals could damage cells or the DNA contained within them, which could potentially increase a risk of skin cancer.

Ma also found that the longer zinc oxide is exposed to sunlight, the greater the potential damage to human cells.

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In a statement, Ma said: "Zinc oxide may generate free radicals when exposed to UV (ultraviolet) sunlight and those can kill cells."

However, Dr Kat Arney, Cancer Research UK’s science information manager, said that as details of this study are not yet available, we can tell little about the safety of zinc oxide from the piece of work.

“We do know that getting sunburnt increases the risk of skin cancer – a painful sunburn once every two years can triple the risk of malignant melanoma, the most dangerous form of skin cancer.

“The best ways to enjoy the sun safely are to cover up with clothing, and spend time in the shade when the sun’s at its strongest - between 11 and 3. We also recommend using sunscreen with at least SPF15.”

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A recent study that has appeared in the journal Toxicology and Applied Pharmacology links an ingredient in suncream to an increased chance of developing skin cancer. According Medical Daily the s...
A recent study that has appeared in the journal Toxicology and Applied Pharmacology links an ingredient in suncream to an increased chance of developing skin cancer. According Medical Daily the s...
 
 
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Craigzz
God must like pinball
12:26 PM on 05/10/2012
Last week, an article claimed sudocrem as an anti-ageing cream (main ingredient zinc oxide) Is the public to be continually bombarded for the rest of there natural life, with contradictory warnings ? This is good for you, no, wait, it might be bad for you, no, hold on, we think it is good for you, no, its bad.
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mirola
Read between the lines
09:50 PM on 05/09/2012
What a joke, sitting in the sun without gives you skin cancer, but putting the stuff on that prevents the cancer might give it to you too. (But it seems almost everything gives you cancer nowadays)
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photo
05:42 PM on 05/09/2012
The creame causes cancer because it stops the healthy sunlight producing natural viteman D.
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08:36 PM on 05/09/2012
So if you use the cream you get cancer and if you don't use it you get cancer?
05:34 PM on 05/09/2012
I suppose the best thing really is to stay out of the sun. Fair skin was not designed to be sunburned.
04:48 PM on 05/09/2012
it MAY be a problem...............................and this weeks health scare is......................
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04:39 PM on 05/09/2012
Lying in the sun may cause cancer - yous suncream may cause cancer! Take your pick!
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flumeinsummer
04:21 PM on 05/09/2012
It's worth checking tho' if your suncream contains this. Sounds like a reason skin cancers rising.
04:47 PM on 05/09/2012
I don't see why it's worth checking at all. What if i told you that the excessive rubbing into the skin of any product MAY cause irritation and MAY lead to an increased risk of skin cancer. I have no more proof of that than this research has proof of their claim, but he has Dr in his name, so people think they should listen. In fact, a response below suggests that Zinc is unable to generate free radicals.
Personally, i'll take my chances with the suncreams over the exposure to UV.
05:11 PM on 05/09/2012
it's not just speculation though. It has been thought before now that the nanoparticles in sun screen may be a link for skin cancer in the term but they can't possibly confirm this yet as it has not been on the market long enough for an adequate long term study. Better to be careful than to forget it. Look at the mistakes people have made in the past by ignoring health risk warnings.
03:43 PM on 05/09/2012
They can't just say "Zinc oxide MAY generate free radicals"! Either their research shows that it does, or they haven't done enough research. If the research so far hasn't generated any, then they should retract the statement immediately.
04:18 PM on 05/09/2012
Free radicals are ubiquitous: hunt them with an electron spin resonance spectrometer and you find some everywhere. Since zinc, unlike the even commoner and yet more vital iron, does not undergo single electron transfer reactions (which are what generate free radicals - and largely why we need iron!), a special hazard is somewhat implausible.
04:37 PM on 05/09/2012
Thanks for that - i'm pleased to say that i even understood it :)
I detest "research" which then suggests that something "may" happen. I could make lots of statements about things which "may" happen but, of course, may not.
I thought the whole point of research was to establish what WILL occur or to prove what WON'T occur.