From Deseret News archives:

LouseBuster not just hot air, study says

Published: Monday, Nov. 6, 2006 12:00 a.m. MST
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The LouseBuster really works, a new study says.

The device, developed at the University of Utah, looks like a hair dryer and is designed to wipe out head lice on children. Currently, expensive chemical treatments and difficult combing sessions are used to rid children of the parasites.

Some chemicals used to kill head lice are dangerous while most of the rest don't work reliably. That is "because the lice have evolved resistance to a lot of the pesticides in head lice shampoos," U. biology professor Dale Clayton said in an interview Sunday.

But the LouseBuster he co-invented was designed to destroy a head louse infestation through a non-chemical treatment lasting about 30 minutes, with a combination of careful drying and heating.

The LouseBuster has three components, said Clayton.

First, the machine delivers heat to the hair; it's not as hot as a blow-dryer, he said. Second, the volume of air is twice that of a hair dryer. Third, a hand piece lifts hair in a particular way and exposes the roots, to destroy lice and their eggs.

"It's like a hand rake," he said. It lifts hair while the air blows in the opposite direction. Part of the challenge was to get the angles right so that this worked correctly.

A U. press release warned against parents trying to achieve the same results with a hair dryer, as that could burn the children.

Clayton told the Deseret Morning News that people say the idea is obvious. "If it is obvious it wouldn't have taken five years" to develop the LouseBuster, he added.

A study verifying the machine's efficiency has been published in the November issue of Pediatrics. Titled "An Effective Nonchemical Treatment for Head Lice: A Lot of Hot Air," the report shows that the invention has promise.

Other co-inventors of the LouseBuster are Joseph Atkin and Kevin Wilding, who worked in Clayton's lab as undergraduates.

A great deal of interest has greeted the study. CBS Television was prepared to show a segment about it tonight, he said.

Patents are pending for the LouseBuster, according to the university.

Larada Sciences, a U. spin-off company created with help from the Utah Centers for Excellence, is working toward commercial distribution of the LouseBuster. That may happen in a year or two. Clayton is the company's chief scientific officer.

"It's a medical device," he said. The developers are pursuing approval by the Food and Drug Administration.

"We've put an emphasis on safety concerns and testing, and we've had no problems at all. ... It does require a little bit of practice to use this device effectively."

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