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Cream often prescribed to relieve the symptoms of eczema may be making the condition worse, researchers claim.

Scientists at Bath University found that aqueous cream thinned the skin after a few weeks of use.

This, they say, is because it contains a detergent rather than just moisturisers.

Another expert said most GPs seemed unaware of official advice not to prescribe the cream as a moisturiser.

Eczema, which affects millions of adults in the UK and other countires, happens when the skin gets dry and cracked.

One way to reduce the discomfort and keep it under control is to use moisturising creams.

However, it is also frequently recommended by doctors for its moisturising properties - one recent poll suggested nine out of 10 GPs recommended it for childhood eczema.

The University of Bath study, published in the British Journal of Dermatology looked directly at its effects on the skin when used regularly.

Volunteers, none of whom had eczema, rubbed it into their forearms every day over a four-week period.

Scientists then compared skin samples taken before and after.

They found the thickness of the stratum corneum, the outermost skin layer, was reduced by about 10% in this time.

Professor Richard Guy supervised the research, conducted as part of a PhD course by researcher Manda Tsang. He said the sodium lauryl sulphate detergent in the cream was affecting a thin layer of fats lying on top of the skin.

He said: "Our study has found that rubbing aqueous cream containing sodium lauryl sulphate into the skin thins this protective barrier, making the skin more susceptible to irritation by chemicals.

"So to use this cream on eczematous skin, which is already thin and vulnerable to irritation, is likely to make the condition even worse."

'Heavy duty'
The National Eczema Society recommends alternatives such as white soft paraffin or even other types of emollient without such a high sodium laurel sulphate content.

Margaret Cox, chief executive of the National Eczema Society, said: "Aqueous cream contains sodium lauryl sulphate, which is a fairly heavy duty detergent. Sadly it is widely used - one it's cheap and two, it's prescribing habit."

Professor Michael Cork, an academic dermatologist from the University of Sheffield, said despite advice from the National Institute of Health and Clinical Excellence in England and Wales not to prescribe or recommend aqueous cream in this way, it was still widespread practice.

He recommended that people with eczema use a formulation without the detergent instead.

"This layer of skin will grow back over time, but if you're using aqueous cream on it every day, it simply won't get the chance."  

I personally still don't understand why people carry on slapping toxins on their precious skins. As a user of Arbonne products I am completely passionate about what goes on my family's skins. Its taken me many years, to find products that are Pure, Safe and Beneficial. It is also a Joy to share fabulous skin care with every one.

The source for this blog is The BBC News Health.

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