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Eczema and Bath Gels
Eczema rise is blamed on bath gels
Scientists trace surge in child skin disease cases to chemicals in
the creature comforts of modern life
Robin McKie, science editor
Sunday May 12, 2002
The Observer
Jamie Brown was a few months old when his parents noticed a red
patch on his arm. Despite careful wiping and cleaning, the rash spread
until it covered a large area of skin with blisters and 'weeping'
tissue. A health visitor diagnosed eczema. Jamie joined several hundred
thousand UK children who have been diagnosed with this painful
condition. From a level of only 3 per cent in the 1950s, the disease
affects more than one in five children today, and numbers continue to
rise.
Now a leading group of UK dermatologists has traced the origins of
eczema to many of the 'wonders' of modern life. These include bubble
baths, baby wipes, deep carpets and central heating. And unless parents
like John and Tracey Brown learn to moderate the use of such commodities
before their children are born, eczema is destined to continue to spread
and cause misery, the scientists say in a paper to be published in
Dermatology in Practice this month.
'Our research makes it clear that we need to treat eczema in the same
way as we treat tooth decay,' said the team's leader, Dr Michael Cork,
consultant dermatologist at Sheffield University. 'We should take action
before it sets in, in other words, and not wait - as we do now - until
symptoms first appear.'
Scientists have always been puzzled by the startling rise in eczema
rates since the war. Why did it suddenly erupt from relatively rarity to
become one of the most widespread ills of modern life, they wondered? Cork
and his colleagues decided to use government statistics to try to tease
out common factors. 'We looked at the way personal hygiene has changed
and found some startling figures,' he said. 'In 1961, the average person
used about three gallons of water a day to clean him or herself. By
1997, we were using more than 15 gallons.'
In other words, whereas we used to bathe only once or twice a week, we
are now showering or bathing at least once a day. That in itself is not
a problem. However, the nation's increased desire for cleanliness has
been mirrored by an equal rise in the use of bubble baths and shower
gels. Over the past 20 years, spending on such products has almost
doubled in high street stores.
Crucially, both gels and bubble baths often contain chemicals that are
now known to trigger eczema. 'Skin cells have various fats on their
surface that help them retain water,' said Cork. 'Surfactants in gels
and bubble baths can break these fats down and disrupt the cells' water
content. They shrivel up - producing eczema's symptoms.' Similarly, baby
wipes have largely replaced the use of cotton wool and water. These too
can 'contain crude surfactants and perfumes' which can 'decrease the
integrity' of the skin, state the researchers. Again, the end result is
eczema.
In addition, the increase in central heating, double glazing and
carpeting has produced warmer, more comfortable homes - both for humans
and for dust mites. 'Dust mites thrive in carpets in warm houses,' said
Cork. 'That can cause problems for asthma sufferers, of course but it
also poses problems for those prone to eczema. Dust mites secrete toxins
that have much the same effect that surfactants in bubble baths can
have. They disrupt skin cells' water content.'
Even cats - whose ownership has doubled in Brtain over the past three
decades - are involved, say the group. Their fur provides homes for
mites, while they also produce chemicals that can trigger eczema. In
short, modern life has exposed children to a set of environmental agents
that can have a devastating effect on their skin.
The answer, for families like the Browns, is to act before a baby is
born and to ensure they have their household stripped of all chemicals
which are associated with the dermatological chain reaction that ends in
eczema.
'We have to be much more proactive in dealing with this problem,' added
Cork. 'There is no point in waiting until eczema has struck. Once it has
set in, it can be persistent and very awkward to deal with. It should
never be allowed to develop in the first place.'
How to keep the causes at bay
Scientists have pinpointed a package of everyday measures which they say
should be implemented in all households - even those where there is no
history of eczema in the family. They should include:
Ban bubble baths. Children should be bathed in emollient oils instead.
Avoid fitted carpets. Wooden floors and tiles will help to reduce dust
mites.
Bedding should be washed at 60C to kill off dust mites and break down
their droppings.
Fit washable roller blinds or curtains.
Keep pets out of bedrooms.
Put soft toys in the freezer overnight. This will kill off all dust
mites.
Keep the humidity of the house to a minimum.
Vacuum all rooms (and mattresses) regularly.
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