Humidity Breeds Long Nails

26 August 2009

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Scientists have discovered the perfect weather condition for growing long nails.

Humidity of 55 per cent will lead to strong, lengthy nails, while any higher or lower and they will become too bendy or brittle.

Stephen Eichhorn, who carried out the study with Roland Ennos at Britain's Manchester University, said: "We have found that fingernails cope remarkably well over a range of humidities, but it is best not to get them completely dry or completely wet.

"At an average of 55 per cent humidity, which is what you would experience normally, it appears that nails have optimum mechanical properties and resist bending."

In particular, knowing the effect of local environmental conditions can tell us how they might best be protected.

The pair spent months looking at different nails to ascertain the effect weather systems have on them.

Roland added: "The mechanical properties of fingernails are important because of their impact in preventing damage and in maintaining their appearance.

"In particular, knowing the effect of local environmental conditions can tell us how they might best be protected."

This is not the first time the weather has been lauded for its beauty benefits.

Actress Emma Thompson claims the wet weather in Scotland helps keep her wrinkle free.

She said: "I think Scotland's got a lot to do with it, I spend a lot of time up there and it rains a lot, which is good for the complexion."

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