Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Eradication rate
RCT 3-armed trial	123 primary school children aged 4–12 years	Louse free day after final treatment 41/42 (97.6%) with tea tree oil 10/40 (25.0%) with pyrethrum	P <0.0001	Effect size not calculated	tea tree oil