22 May 2008
Experts have questioned the common belief that biological washing powders can aggravate skin conditions such as eczema.
A report set to be published in the June edition of the British Journal of Dermatology claims that biological detergents are no more harmful to skin than their non-biological counterparts.
Many people choose to invest in non-biological washing powder as it does not contain the enzymes which have, in the past, been cited as one of the causes of eczema irritation.
But tests by doctors at a number of UK hospitals showed that the stain-removing enzymes would only harm skin if they were concentrated in higher levels than found in products available to consumers.
The scientists said: "Contact with wash solutions does not lead either to irritation or to allergy.
"Residues on fabrics are also trivially low and do not give rise to any skin effects."
Dr Colin Holden, president of the British Association of Dermatologists, said: "This study highlights that flare-ups of eczema should not just be written off as caused by washing powder."
He added that those suffering from eczema should seek advice from professional dermatologists for a solution and not simply blame it on the chemicals in their detergent.
Skin irritation can occur through allergies to foods, wool next to the skin, cat and dog fur, soaps or even pollen.
Click here to visit the Eczema Quick Guide
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