1 Burgess, I.F., Brunton, E.R., French, R., Burgess, N.A., 2014. Prevention of head louse infestation: a randomised, double-blind, cross-over study of a novel concept product, 1% 1,2-octanediol spray versus placebo. BMJ Open 4, e004634. https://doi.org/10.1136/bmjopen-2013-004634