Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Eradication rate
RCT	100 children and adults with head lice	Eradication rate 7 days 27/50 (54%) with herbal product 19/50 (38%) with permethrin	P <0.05	Effect size not calculated	herbal product
RCT	100 children and adults with head lice	Eradication rate 14 days 41/50 (82%) with herbal product 21/50 (42%) with permethrin	ARR 40.0% 95% CI 22.5% to 57.5% P <0.0001	Effect size not calculated	herbal product