Head lice can now beat some shampoos which
on to get rid of the itchy pests, researchers have warned
A study of 2,800 children in Wales showed that two thirds of lice
found were not killed by treatments which contain a chemical called
One of the experts said: "That means the lotion doesn't work as
well and you don't clear the infection."
The researchers suggested parents ask chemists for the best
treatments, to make sure kids don't itch for too long.
Most children get head lice at some point, and you're most
to catch it at school.
hop or jump like some people think - they are spread when people's
heads touch each other.
There are various different head lice treatments - these experts
recommend that parents use ones based on a chemical called
malathion, rather than the ones based on pyrethroid.
When lice break out at a school, teachers normally send a letter
home to parents telling them to use the treatments on their kids.